Home / 87,584.80-130,897.31-63,942.16

Finding the Fourth Proportional to 87,584.80, 130,897.31 and 63,942.16

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Solution

The fourth proportional to 87,584.80, 130,897.31 and 63,942.16 is: 95,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,584.80 : 130,897.31 = 63,942.16 : x
  2. Step 2: Convert to fraction form
    87,584.80/130,897.31 = 63,942.16/x
  3. Step 3: Cross multiply
    87,584.80x = 130,897.31 × 63,942.16
  4. Step 4: Simplify right side
    87,584.80x = 8,369,856,739.59
  5. Step 5: Solve for x
    x = 8,369,856,739.59/87,584.80
  6. Step 6: Final answer
    x = 95,562.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.