Home / 63,985.20-95,721.46-55,313.52

Finding the Fourth Proportional to 63,985.20, 95,721.46 and 55,313.52

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Solution

The fourth proportional to 63,985.20, 95,721.46 and 55,313.52 is: 82,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985.20 : 95,721.46 = 55,313.52 : x
  2. Step 2: Convert to fraction form
    63,985.20/95,721.46 = 55,313.52/x
  3. Step 3: Cross multiply
    63,985.20x = 95,721.46 × 55,313.52
  4. Step 4: Simplify right side
    63,985.20x = 5,294,690,892.14
  5. Step 5: Solve for x
    x = 5,294,690,892.14/63,985.20
  6. Step 6: Final answer
    x = 82,748.68

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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.