Home / 72,981.40-100,714.17-41,150.11

Finding the Fourth Proportional to 72,981.40, 100,714.17 and 41,150.11

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Solution

The fourth proportional to 72,981.40, 100,714.17 and 41,150.11 is: 56,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,981.40 : 100,714.17 = 41,150.11 : x
  2. Step 2: Convert to fraction form
    72,981.40/100,714.17 = 41,150.11/x
  3. Step 3: Cross multiply
    72,981.40x = 100,714.17 × 41,150.11
  4. Step 4: Simplify right side
    72,981.40x = 4,144,399,174.06
  5. Step 5: Solve for x
    x = 4,144,399,174.06/72,981.40
  6. Step 6: Final answer
    x = 56,787.06

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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.