Home / 86,291.29-119,118.72-58,013.38

Finding the Fourth Proportional to 86,291.29, 119,118.72 and 58,013.38

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Solution

The fourth proportional to 86,291.29, 119,118.72 and 58,013.38 is: 80,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,291.29 : 119,118.72 = 58,013.38 : x
  2. Step 2: Convert to fraction form
    86,291.29/119,118.72 = 58,013.38/x
  3. Step 3: Cross multiply
    86,291.29x = 119,118.72 × 58,013.38
  4. Step 4: Simplify right side
    86,291.29x = 6,910,479,568.47
  5. Step 5: Solve for x
    x = 6,910,479,568.47/86,291.29
  6. Step 6: Final answer
    x = 80,083.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.