Home / 90,525.48-124,921.46-50,240.92

Finding the Fourth Proportional to 90,525.48, 124,921.46 and 50,240.92

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Solution

The fourth proportional to 90,525.48, 124,921.46 and 50,240.92 is: 69,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.48 : 124,921.46 = 50,240.92 : x
  2. Step 2: Convert to fraction form
    90,525.48/124,921.46 = 50,240.92/x
  3. Step 3: Cross multiply
    90,525.48x = 124,921.46 × 50,240.92
  4. Step 4: Simplify right side
    90,525.48x = 6,276,169,078.14
  5. Step 5: Solve for x
    x = 6,276,169,078.14/90,525.48
  6. Step 6: Final answer
    x = 69,330.41

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Double scale
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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.