Home / 83,743.24-115,446.16-59,861.20

Finding the Fourth Proportional to 83,743.24, 115,446.16 and 59,861.20

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Solution

The fourth proportional to 83,743.24, 115,446.16 and 59,861.20 is: 82,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,743.24 : 115,446.16 = 59,861.20 : x
  2. Step 2: Convert to fraction form
    83,743.24/115,446.16 = 59,861.20/x
  3. Step 3: Cross multiply
    83,743.24x = 115,446.16 × 59,861.20
  4. Step 4: Simplify right side
    83,743.24x = 6,910,745,672.99
  5. Step 5: Solve for x
    x = 6,910,745,672.99/83,743.24
  6. Step 6: Final answer
    x = 82,523.03

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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.