Home / 87,418.01-131,041.91-55,729.19

Finding the Fourth Proportional to 87,418.01, 131,041.91 and 55,729.19

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Solution

The fourth proportional to 87,418.01, 131,041.91 and 55,729.19 is: 83,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,418.01 : 131,041.91 = 55,729.19 : x
  2. Step 2: Convert to fraction form
    87,418.01/131,041.91 = 55,729.19/x
  3. Step 3: Cross multiply
    87,418.01x = 131,041.91 × 55,729.19
  4. Step 4: Simplify right side
    87,418.01x = 7,302,858,566.50
  5. Step 5: Solve for x
    x = 7,302,858,566.50/87,418.01
  6. Step 6: Final answer
    x = 83,539.52

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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.