Home / 84,084.52-126,111.66-21,751.24

Finding the Fourth Proportional to 84,084.52, 126,111.66 and 21,751.24

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Solution

The fourth proportional to 84,084.52, 126,111.66 and 21,751.24 is: 32,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,084.52 : 126,111.66 = 21,751.24 : x
  2. Step 2: Convert to fraction form
    84,084.52/126,111.66 = 21,751.24/x
  3. Step 3: Cross multiply
    84,084.52x = 126,111.66 × 21,751.24
  4. Step 4: Simplify right side
    84,084.52x = 2,743,084,983.46
  5. Step 5: Solve for x
    x = 2,743,084,983.46/84,084.52
  6. Step 6: Final answer
    x = 32,622.95

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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.