Home / 86,982.62-130,252.40-57,310.52

Finding the Fourth Proportional to 86,982.62, 130,252.40 and 57,310.52

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Solution

The fourth proportional to 86,982.62, 130,252.40 and 57,310.52 is: 85,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,982.62 : 130,252.40 = 57,310.52 : x
  2. Step 2: Convert to fraction form
    86,982.62/130,252.40 = 57,310.52/x
  3. Step 3: Cross multiply
    86,982.62x = 130,252.40 × 57,310.52
  4. Step 4: Simplify right side
    86,982.62x = 7,464,832,814.33
  5. Step 5: Solve for x
    x = 7,464,832,814.33/86,982.62
  6. Step 6: Final answer
    x = 85,819.82

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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.