Home / 83,541.89-115,293.91-47,731.13

Finding the Fourth Proportional to 83,541.89, 115,293.91 and 47,731.13

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Solution

The fourth proportional to 83,541.89, 115,293.91 and 47,731.13 is: 65,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,541.89 : 115,293.91 = 47,731.13 : x
  2. Step 2: Convert to fraction form
    83,541.89/115,293.91 = 47,731.13/x
  3. Step 3: Cross multiply
    83,541.89x = 115,293.91 × 47,731.13
  4. Step 4: Simplify right side
    83,541.89x = 5,503,108,622.49
  5. Step 5: Solve for x
    x = 5,503,108,622.49/83,541.89
  6. Step 6: Final answer
    x = 65,872.45

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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.