Home / 72,084.24-108,046.08-29,940.84

Finding the Fourth Proportional to 72,084.24, 108,046.08 and 29,940.84

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Solution

The fourth proportional to 72,084.24, 108,046.08 and 29,940.84 is: 44,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,084.24 : 108,046.08 = 29,940.84 : x
  2. Step 2: Convert to fraction form
    72,084.24/108,046.08 = 29,940.84/x
  3. Step 3: Cross multiply
    72,084.24x = 108,046.08 × 29,940.84
  4. Step 4: Simplify right side
    72,084.24x = 3,234,990,393.91
  5. Step 5: Solve for x
    x = 3,234,990,393.91/72,084.24
  6. Step 6: Final answer
    x = 44,877.91

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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.