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Finding the Fourth Proportional to 95,482.50, 143,174.52 and 65,542.47

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Solution

The fourth proportional to 95,482.50, 143,174.52 and 65,542.47 is: 98,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,482.50 : 143,174.52 = 65,542.47 : x
  2. Step 2: Convert to fraction form
    95,482.50/143,174.52 = 65,542.47/x
  3. Step 3: Cross multiply
    95,482.50x = 143,174.52 × 65,542.47
  4. Step 4: Simplify right side
    95,482.50x = 9,384,011,681.86
  5. Step 5: Solve for x
    x = 9,384,011,681.86/95,482.50
  6. Step 6: Final answer
    x = 98,279.91

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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.