Home / 73,129.20-109,671.10-26,376

Finding the Fourth Proportional to 73,129.20, 109,671.10 and 26,376

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Solution

The fourth proportional to 73,129.20, 109,671.10 and 26,376 is: 39,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,129.20 : 109,671.10 = 26,376 : x
  2. Step 2: Convert to fraction form
    73,129.20/109,671.10 = 26,376/x
  3. Step 3: Cross multiply
    73,129.20x = 109,671.10 × 26,376
  4. Step 4: Simplify right side
    73,129.20x = 2,892,684,933.60
  5. Step 5: Solve for x
    x = 2,892,684,933.60/73,129.20
  6. Step 6: Final answer
    x = 39,555.81

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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.