Home / 90,453.27-124,810.56-50,160.63

Finding the Fourth Proportional to 90,453.27, 124,810.56 and 50,160.63

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Solution

The fourth proportional to 90,453.27, 124,810.56 and 50,160.63 is: 69,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,453.27 : 124,810.56 = 50,160.63 : x
  2. Step 2: Convert to fraction form
    90,453.27/124,810.56 = 50,160.63/x
  3. Step 3: Cross multiply
    90,453.27x = 124,810.56 × 50,160.63
  4. Step 4: Simplify right side
    90,453.27x = 6,260,576,320.25
  5. Step 5: Solve for x
    x = 6,260,576,320.25/90,453.27
  6. Step 6: Final answer
    x = 69,213.38

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Double scale
Find fourth proportional to 90,454.27, 124,811.94 and 50,161.63
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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.