Home / 87,564.30-131,356.19-37,649.45

Finding the Fourth Proportional to 87,564.30, 131,356.19 and 37,649.45

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Solution

The fourth proportional to 87,564.30, 131,356.19 and 37,649.45 is: 56,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,564.30 : 131,356.19 = 37,649.45 : x
  2. Step 2: Convert to fraction form
    87,564.30/131,356.19 = 37,649.45/x
  3. Step 3: Cross multiply
    87,564.30x = 131,356.19 × 37,649.45
  4. Step 4: Simplify right side
    87,564.30x = 4,945,487,462.57
  5. Step 5: Solve for x
    x = 4,945,487,462.57/87,564.30
  6. Step 6: Final answer
    x = 56,478.35

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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.