Home / 87,921.40-132,003.60-56,525.80

Finding the Fourth Proportional to 87,921.40, 132,003.60 and 56,525.80

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Solution

The fourth proportional to 87,921.40, 132,003.60 and 56,525.80 is: 84,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,921.40 : 132,003.60 = 56,525.80 : x
  2. Step 2: Convert to fraction form
    87,921.40/132,003.60 = 56,525.80/x
  3. Step 3: Cross multiply
    87,921.40x = 132,003.60 × 56,525.80
  4. Step 4: Simplify right side
    87,921.40x = 7,461,609,092.88
  5. Step 5: Solve for x
    x = 7,461,609,092.88/87,921.40
  6. Step 6: Final answer
    x = 84,866.81

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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.