Home / 90,242.38-124,535.61-49,959.88

Finding the Fourth Proportional to 90,242.38, 124,535.61 and 49,959.88

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Solution

The fourth proportional to 90,242.38, 124,535.61 and 49,959.88 is: 68,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,242.38 : 124,535.61 = 49,959.88 : x
  2. Step 2: Convert to fraction form
    90,242.38/124,535.61 = 49,959.88/x
  3. Step 3: Cross multiply
    90,242.38x = 124,535.61 × 49,959.88
  4. Step 4: Simplify right side
    90,242.38x = 6,221,784,131.33
  5. Step 5: Solve for x
    x = 6,221,784,131.33/90,242.38
  6. Step 6: Final answer
    x = 68,945.26

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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.