Home / 71,337.30-106,903.55-52,470.10

Finding the Fourth Proportional to 71,337.30, 106,903.55 and 52,470.10

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Solution

The fourth proportional to 71,337.30, 106,903.55 and 52,470.10 is: 78,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337.30 : 106,903.55 = 52,470.10 : x
  2. Step 2: Convert to fraction form
    71,337.30/106,903.55 = 52,470.10/x
  3. Step 3: Cross multiply
    71,337.30x = 106,903.55 × 52,470.10
  4. Step 4: Simplify right side
    71,337.30x = 5,609,239,958.86
  5. Step 5: Solve for x
    x = 5,609,239,958.86/71,337.30
  6. Step 6: Final answer
    x = 78,629.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.