Home / 90,539.43-124,943.19-50,253.08

Finding the Fourth Proportional to 90,539.43, 124,943.19 and 50,253.08

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Solution

The fourth proportional to 90,539.43, 124,943.19 and 50,253.08 is: 69,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,539.43 : 124,943.19 = 50,253.08 : x
  2. Step 2: Convert to fraction form
    90,539.43/124,943.19 = 50,253.08/x
  3. Step 3: Cross multiply
    90,539.43x = 124,943.19 × 50,253.08
  4. Step 4: Simplify right side
    90,539.43x = 6,278,779,497.81
  5. Step 5: Solve for x
    x = 6,278,779,497.81/90,539.43
  6. Step 6: Final answer
    x = 69,348.56

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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.