Home / 84,869.29-127,304.11-31,572.96

Finding the Fourth Proportional to 84,869.29, 127,304.11 and 31,572.96

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Solution

The fourth proportional to 84,869.29, 127,304.11 and 31,572.96 is: 47,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.29 : 127,304.11 = 31,572.96 : x
  2. Step 2: Convert to fraction form
    84,869.29/127,304.11 = 31,572.96/x
  3. Step 3: Cross multiply
    84,869.29x = 127,304.11 × 31,572.96
  4. Step 4: Simplify right side
    84,869.29x = 4,019,367,016.54
  5. Step 5: Solve for x
    x = 4,019,367,016.54/84,869.29
  6. Step 6: Final answer
    x = 47,359.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.