Home / 79,360.29-109,517.14-45,369.52

Finding the Fourth Proportional to 79,360.29, 109,517.14 and 45,369.52

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Solution

The fourth proportional to 79,360.29, 109,517.14 and 45,369.52 is: 62,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360.29 : 109,517.14 = 45,369.52 : x
  2. Step 2: Convert to fraction form
    79,360.29/109,517.14 = 45,369.52/x
  3. Step 3: Cross multiply
    79,360.29x = 109,517.14 × 45,369.52
  4. Step 4: Simplify right side
    79,360.29x = 4,968,740,073.57
  5. Step 5: Solve for x
    x = 4,968,740,073.57/79,360.29
  6. Step 6: Final answer
    x = 62,609.90

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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.