Home / 83,531.46-115,266.29-47,231.13

Finding the Fourth Proportional to 83,531.46, 115,266.29 and 47,231.13

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Solution

The fourth proportional to 83,531.46, 115,266.29 and 47,231.13 is: 65,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,531.46 : 115,266.29 = 47,231.13 : x
  2. Step 2: Convert to fraction form
    83,531.46/115,266.29 = 47,231.13/x
  3. Step 3: Cross multiply
    83,531.46x = 115,266.29 × 47,231.13
  4. Step 4: Simplify right side
    83,531.46x = 5,444,156,721.36
  5. Step 5: Solve for x
    x = 5,444,156,721.36/83,531.46
  6. Step 6: Final answer
    x = 65,174.92

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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.