Home / 89,432.27-123,365.13-55,839.95

Finding the Fourth Proportional to 89,432.27, 123,365.13 and 55,839.95

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Solution

The fourth proportional to 89,432.27, 123,365.13 and 55,839.95 is: 77,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.27 : 123,365.13 = 55,839.95 : x
  2. Step 2: Convert to fraction form
    89,432.27/123,365.13 = 55,839.95/x
  3. Step 3: Cross multiply
    89,432.27x = 123,365.13 × 55,839.95
  4. Step 4: Simplify right side
    89,432.27x = 6,888,702,074.12
  5. Step 5: Solve for x
    x = 6,888,702,074.12/89,432.27
  6. Step 6: Final answer
    x = 77,027.03

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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.