Home / 89,517.28-123,539.88-59,250.48

Finding the Fourth Proportional to 89,517.28, 123,539.88 and 59,250.48

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Solution

The fourth proportional to 89,517.28, 123,539.88 and 59,250.48 is: 81,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,517.28 : 123,539.88 = 59,250.48 : x
  2. Step 2: Convert to fraction form
    89,517.28/123,539.88 = 59,250.48/x
  3. Step 3: Cross multiply
    89,517.28x = 123,539.88 × 59,250.48
  4. Step 4: Simplify right side
    89,517.28x = 7,319,797,189.14
  5. Step 5: Solve for x
    x = 7,319,797,189.14/89,517.28
  6. Step 6: Final answer
    x = 81,769.66

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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.