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Finding the Fourth Proportional to 79,147.92, 109,225.96 and 43,337.76

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Solution

The fourth proportional to 79,147.92, 109,225.96 and 43,337.76 is: 59,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,147.92 : 109,225.96 = 43,337.76 : x
  2. Step 2: Convert to fraction form
    79,147.92/109,225.96 = 43,337.76/x
  3. Step 3: Cross multiply
    79,147.92x = 109,225.96 × 43,337.76
  4. Step 4: Simplify right side
    79,147.92x = 4,733,608,440.25
  5. Step 5: Solve for x
    x = 4,733,608,440.25/79,147.92
  6. Step 6: Final answer
    x = 59,807.11

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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.