Home / 63,979.20-95,712.48-55,307.52

Finding the Fourth Proportional to 63,979.20, 95,712.48 and 55,307.52

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Solution

The fourth proportional to 63,979.20, 95,712.48 and 55,307.52 is: 82,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.20 : 95,712.48 = 55,307.52 : x
  2. Step 2: Convert to fraction form
    63,979.20/95,712.48 = 55,307.52/x
  3. Step 3: Cross multiply
    63,979.20x = 95,712.48 × 55,307.52
  4. Step 4: Simplify right side
    63,979.20x = 5,293,619,901.85
  5. Step 5: Solve for x
    x = 5,293,619,901.85/63,979.20
  6. Step 6: Final answer
    x = 82,739.70

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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.