Home / 86,731.60-130,121.88-24,402.64

Finding the Fourth Proportional to 86,731.60, 130,121.88 and 24,402.64

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Solution

The fourth proportional to 86,731.60, 130,121.88 and 24,402.64 is: 36,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,731.60 : 130,121.88 = 24,402.64 : x
  2. Step 2: Convert to fraction form
    86,731.60/130,121.88 = 24,402.64/x
  3. Step 3: Cross multiply
    86,731.60x = 130,121.88 × 24,402.64
  4. Step 4: Simplify right side
    86,731.60x = 3,175,317,393.76
  5. Step 5: Solve for x
    x = 3,175,317,393.76/86,731.60
  6. Step 6: Final answer
    x = 36,610.85

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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.