Home / 85,283.29-117,691.40-47,044.18

Finding the Fourth Proportional to 85,283.29, 117,691.40 and 47,044.18

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Solution

The fourth proportional to 85,283.29, 117,691.40 and 47,044.18 is: 64,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,283.29 : 117,691.40 = 47,044.18 : x
  2. Step 2: Convert to fraction form
    85,283.29/117,691.40 = 47,044.18/x
  3. Step 3: Cross multiply
    85,283.29x = 117,691.40 × 47,044.18
  4. Step 4: Simplify right side
    85,283.29x = 5,536,695,406.05
  5. Step 5: Solve for x
    x = 5,536,695,406.05/85,283.29
  6. Step 6: Final answer
    x = 64,921.22

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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.