Home / 86,767.38-130,037.31-49,344.66

Finding the Fourth Proportional to 86,767.38, 130,037.31 and 49,344.66

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Solution

The fourth proportional to 86,767.38, 130,037.31 and 49,344.66 is: 73,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767.38 : 130,037.31 = 49,344.66 : x
  2. Step 2: Convert to fraction form
    86,767.38/130,037.31 = 49,344.66/x
  3. Step 3: Cross multiply
    86,767.38x = 130,037.31 × 49,344.66
  4. Step 4: Simplify right side
    86,767.38x = 6,416,646,849.26
  5. Step 5: Solve for x
    x = 6,416,646,849.26/86,767.38
  6. Step 6: Final answer
    x = 73,952.29

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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.