Home / 87,710.94-131,535.36-28,535.58

Finding the Fourth Proportional to 87,710.94, 131,535.36 and 28,535.58

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Solution

The fourth proportional to 87,710.94, 131,535.36 and 28,535.58 is: 42,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,710.94 : 131,535.36 = 28,535.58 : x
  2. Step 2: Convert to fraction form
    87,710.94/131,535.36 = 28,535.58/x
  3. Step 3: Cross multiply
    87,710.94x = 131,535.36 × 28,535.58
  4. Step 4: Simplify right side
    87,710.94x = 3,753,437,788.11
  5. Step 5: Solve for x
    x = 3,753,437,788.11/87,710.94
  6. Step 6: Final answer
    x = 42,793.27

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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.