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Finding the Fourth Proportional to 95,686.92, 132,046.20 and 53,245.08

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Solution

The fourth proportional to 95,686.92, 132,046.20 and 53,245.08 is: 73,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,686.92 : 132,046.20 = 53,245.08 : x
  2. Step 2: Convert to fraction form
    95,686.92/132,046.20 = 53,245.08/x
  3. Step 3: Cross multiply
    95,686.92x = 132,046.20 × 53,245.08
  4. Step 4: Simplify right side
    95,686.92x = 7,030,810,482.70
  5. Step 5: Solve for x
    x = 7,030,810,482.70/95,686.92
  6. Step 6: Final answer
    x = 73,477.24

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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.