Home / 84,913.92-127,409.76-32,335.20

Finding the Fourth Proportional to 84,913.92, 127,409.76 and 32,335.20

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Solution

The fourth proportional to 84,913.92, 127,409.76 and 32,335.20 is: 48,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,913.92 : 127,409.76 = 32,335.20 : x
  2. Step 2: Convert to fraction form
    84,913.92/127,409.76 = 32,335.20/x
  3. Step 3: Cross multiply
    84,913.92x = 127,409.76 × 32,335.20
  4. Step 4: Simplify right side
    84,913.92x = 4,119,820,071.55
  5. Step 5: Solve for x
    x = 4,119,820,071.55/84,913.92
  6. Step 6: Final answer
    x = 48,517.61

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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.