Home / 86,652.10-129,952.23-45,076.42

Finding the Fourth Proportional to 86,652.10, 129,952.23 and 45,076.42

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Solution

The fourth proportional to 86,652.10, 129,952.23 and 45,076.42 is: 67,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,652.10 : 129,952.23 = 45,076.42 : x
  2. Step 2: Convert to fraction form
    86,652.10/129,952.23 = 45,076.42/x
  3. Step 3: Cross multiply
    86,652.10x = 129,952.23 × 45,076.42
  4. Step 4: Simplify right side
    86,652.10x = 5,857,781,299.42
  5. Step 5: Solve for x
    x = 5,857,781,299.42/86,652.10
  6. Step 6: Final answer
    x = 67,601.15

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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.