Home / 87,973.60-131,989.36-58,507.36

Finding the Fourth Proportional to 87,973.60, 131,989.36 and 58,507.36

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Solution

The fourth proportional to 87,973.60, 131,989.36 and 58,507.36 is: 87,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,973.60 : 131,989.36 = 58,507.36 : x
  2. Step 2: Convert to fraction form
    87,973.60/131,989.36 = 58,507.36/x
  3. Step 3: Cross multiply
    87,973.60x = 131,989.36 × 58,507.36
  4. Step 4: Simplify right side
    87,973.60x = 7,722,349,001.69
  5. Step 5: Solve for x
    x = 7,722,349,001.69/87,973.60
  6. Step 6: Final answer
    x = 87,780.30

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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.