Home / 90,539.17-124,941.72-50,251.75

Finding the Fourth Proportional to 90,539.17, 124,941.72 and 50,251.75

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Solution

The fourth proportional to 90,539.17, 124,941.72 and 50,251.75 is: 69,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,539.17 : 124,941.72 = 50,251.75 : x
  2. Step 2: Convert to fraction form
    90,539.17/124,941.72 = 50,251.75/x
  3. Step 3: Cross multiply
    90,539.17x = 124,941.72 × 50,251.75
  4. Step 4: Simplify right side
    90,539.17x = 6,278,540,078.01
  5. Step 5: Solve for x
    x = 6,278,540,078.01/90,539.17
  6. Step 6: Final answer
    x = 69,346.12

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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.