Home / 86,721.60-130,082.40-24,392.10

Finding the Fourth Proportional to 86,721.60, 130,082.40 and 24,392.10

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Solution

The fourth proportional to 86,721.60, 130,082.40 and 24,392.10 is: 36,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,721.60 : 130,082.40 = 24,392.10 : x
  2. Step 2: Convert to fraction form
    86,721.60/130,082.40 = 24,392.10/x
  3. Step 3: Cross multiply
    86,721.60x = 130,082.40 × 24,392.10
  4. Step 4: Simplify right side
    86,721.60x = 3,172,982,909.04
  5. Step 5: Solve for x
    x = 3,172,982,909.04/86,721.60
  6. Step 6: Final answer
    x = 36,588.15

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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.