Home / 86,508.48-129,580.32-54,901.88

Finding the Fourth Proportional to 86,508.48, 129,580.32 and 54,901.88

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Solution

The fourth proportional to 86,508.48, 129,580.32 and 54,901.88 is: 82,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508.48 : 129,580.32 = 54,901.88 : x
  2. Step 2: Convert to fraction form
    86,508.48/129,580.32 = 54,901.88/x
  3. Step 3: Cross multiply
    86,508.48x = 129,580.32 × 54,901.88
  4. Step 4: Simplify right side
    86,508.48x = 7,114,203,222.91
  5. Step 5: Solve for x
    x = 7,114,203,222.91/86,508.48
  6. Step 6: Final answer
    x = 82,237.06

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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.