Home / 90,206.52-124,487.02-58,430.71

Finding the Fourth Proportional to 90,206.52, 124,487.02 and 58,430.71

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Solution

The fourth proportional to 90,206.52, 124,487.02 and 58,430.71 is: 80,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,206.52 : 124,487.02 = 58,430.71 : x
  2. Step 2: Convert to fraction form
    90,206.52/124,487.02 = 58,430.71/x
  3. Step 3: Cross multiply
    90,206.52x = 124,487.02 × 58,430.71
  4. Step 4: Simplify right side
    90,206.52x = 7,273,864,964.38
  5. Step 5: Solve for x
    x = 7,273,864,964.38/90,206.52
  6. Step 6: Final answer
    x = 80,635.69

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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.