Home / 87,664.40-131,496.60-56,521.52

Finding the Fourth Proportional to 87,664.40, 131,496.60 and 56,521.52

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Solution

The fourth proportional to 87,664.40, 131,496.60 and 56,521.52 is: 84,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664.40 : 131,496.60 = 56,521.52 : x
  2. Step 2: Convert to fraction form
    87,664.40/131,496.60 = 56,521.52/x
  3. Step 3: Cross multiply
    87,664.40x = 131,496.60 × 56,521.52
  4. Step 4: Simplify right side
    87,664.40x = 7,432,387,706.83
  5. Step 5: Solve for x
    x = 7,432,387,706.83/87,664.40
  6. Step 6: Final answer
    x = 84,782.28

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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.