Home / 83,654.40-115,447.68-47,845.92

Finding the Fourth Proportional to 83,654.40, 115,447.68 and 47,845.92

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Solution

The fourth proportional to 83,654.40, 115,447.68 and 47,845.92 is: 66,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,654.40 : 115,447.68 = 47,845.92 : x
  2. Step 2: Convert to fraction form
    83,654.40/115,447.68 = 47,845.92/x
  3. Step 3: Cross multiply
    83,654.40x = 115,447.68 × 47,845.92
  4. Step 4: Simplify right side
    83,654.40x = 5,523,700,461.47
  5. Step 5: Solve for x
    x = 5,523,700,461.47/83,654.40
  6. Step 6: Final answer
    x = 66,030.01

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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.