Home / 84,865.30-127,316.31-32,275.78

Finding the Fourth Proportional to 84,865.30, 127,316.31 and 32,275.78

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Solution

The fourth proportional to 84,865.30, 127,316.31 and 32,275.78 is: 48,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,865.30 : 127,316.31 = 32,275.78 : x
  2. Step 2: Convert to fraction form
    84,865.30/127,316.31 = 32,275.78/x
  3. Step 3: Cross multiply
    84,865.30x = 127,316.31 × 32,275.78
  4. Step 4: Simplify right side
    84,865.30x = 4,109,233,211.97
  5. Step 5: Solve for x
    x = 4,109,233,211.97/84,865.30
  6. Step 6: Final answer
    x = 48,420.65

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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.