Home / 72,546.54-100,124.00-40,717.18

Finding the Fourth Proportional to 72,546.54, 100,124.00 and 40,717.18

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Solution

The fourth proportional to 72,546.54, 100,124.00 and 40,717.18 is: 56,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,546.54 : 100,124.00 = 40,717.18 : x
  2. Step 2: Convert to fraction form
    72,546.54/100,124.00 = 40,717.18/x
  3. Step 3: Cross multiply
    72,546.54x = 100,124.00 × 40,717.18
  4. Step 4: Simplify right side
    72,546.54x = 4,076,766,726.73
  5. Step 5: Solve for x
    x = 4,076,766,726.73/72,546.54
  6. Step 6: Final answer
    x = 56,195.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.