Home / 90,380.73-124,732.88-50,107.13

Finding the Fourth Proportional to 90,380.73, 124,732.88 and 50,107.13

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Solution

The fourth proportional to 90,380.73, 124,732.88 and 50,107.13 is: 69,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,380.73 : 124,732.88 = 50,107.13 : x
  2. Step 2: Convert to fraction form
    90,380.73/124,732.88 = 50,107.13/x
  3. Step 3: Cross multiply
    90,380.73x = 124,732.88 × 50,107.13
  4. Step 4: Simplify right side
    90,380.73x = 6,250,006,633.43
  5. Step 5: Solve for x
    x = 6,250,006,633.43/90,380.73
  6. Step 6: Final answer
    x = 69,151.98

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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.