Home / 90,366.28-124,702.08-52,127.38

Finding the Fourth Proportional to 90,366.28, 124,702.08 and 52,127.38

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Solution

The fourth proportional to 90,366.28, 124,702.08 and 52,127.38 is: 71,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,366.28 : 124,702.08 = 52,127.38 : x
  2. Step 2: Convert to fraction form
    90,366.28/124,702.08 = 52,127.38/x
  3. Step 3: Cross multiply
    90,366.28x = 124,702.08 × 52,127.38
  4. Step 4: Simplify right side
    90,366.28x = 6,500,392,710.95
  5. Step 5: Solve for x
    x = 6,500,392,710.95/90,366.28
  6. Step 6: Final answer
    x = 71,933.83

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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.