Home / 90,607.28-125,039.62-50,324.76

Finding the Fourth Proportional to 90,607.28, 125,039.62 and 50,324.76

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Solution

The fourth proportional to 90,607.28, 125,039.62 and 50,324.76 is: 69,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,607.28 : 125,039.62 = 50,324.76 : x
  2. Step 2: Convert to fraction form
    90,607.28/125,039.62 = 50,324.76/x
  3. Step 3: Cross multiply
    90,607.28x = 125,039.62 × 50,324.76
  4. Step 4: Simplify right side
    90,607.28x = 6,292,588,866.99
  5. Step 5: Solve for x
    x = 6,292,588,866.99/90,607.28
  6. Step 6: Final answer
    x = 69,449.04

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Half scale
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Double scale
Find fourth proportional to 90,608.28, 125,041 and 50,325.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.