Home / 84,864.52-117,109.92-47,141.20

Finding the Fourth Proportional to 84,864.52, 117,109.92 and 47,141.20

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Solution

The fourth proportional to 84,864.52, 117,109.92 and 47,141.20 is: 65,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864.52 : 117,109.92 = 47,141.20 : x
  2. Step 2: Convert to fraction form
    84,864.52/117,109.92 = 47,141.20/x
  3. Step 3: Cross multiply
    84,864.52x = 117,109.92 × 47,141.20
  4. Step 4: Simplify right side
    84,864.52x = 5,520,702,160.70
  5. Step 5: Solve for x
    x = 5,520,702,160.70/84,864.52
  6. Step 6: Final answer
    x = 65,053.12

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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.