Home / 80,861.52-111,588.48-45,049.32

Finding the Fourth Proportional to 80,861.52, 111,588.48 and 45,049.32

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Solution

The fourth proportional to 80,861.52, 111,588.48 and 45,049.32 is: 62,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,861.52 : 111,588.48 = 45,049.32 : x
  2. Step 2: Convert to fraction form
    80,861.52/111,588.48 = 45,049.32/x
  3. Step 3: Cross multiply
    80,861.52x = 111,588.48 × 45,049.32
  4. Step 4: Simplify right side
    80,861.52x = 5,026,985,143.83
  5. Step 5: Solve for x
    x = 5,026,985,143.83/80,861.52
  6. Step 6: Final answer
    x = 62,167.83

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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.