Home / 86,727.60-130,115.88-24,398.64

Finding the Fourth Proportional to 86,727.60, 130,115.88 and 24,398.64

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Solution

The fourth proportional to 86,727.60, 130,115.88 and 24,398.64 is: 36,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.60 : 130,115.88 = 24,398.64 : x
  2. Step 2: Convert to fraction form
    86,727.60/130,115.88 = 24,398.64/x
  3. Step 3: Cross multiply
    86,727.60x = 130,115.88 × 24,398.64
  4. Step 4: Simplify right side
    86,727.60x = 3,174,650,514.40
  5. Step 5: Solve for x
    x = 3,174,650,514.40/86,727.60
  6. Step 6: Final answer
    x = 36,604.85

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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.