Home / 72,767.58-109,151.01-62,876.76

Finding the Fourth Proportional to 72,767.58, 109,151.01 and 62,876.76

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Solution

The fourth proportional to 72,767.58, 109,151.01 and 62,876.76 is: 94,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,767.58 : 109,151.01 = 62,876.76 : x
  2. Step 2: Convert to fraction form
    72,767.58/109,151.01 = 62,876.76/x
  3. Step 3: Cross multiply
    72,767.58x = 109,151.01 × 62,876.76
  4. Step 4: Simplify right side
    72,767.58x = 6,863,061,859.53
  5. Step 5: Solve for x
    x = 6,863,061,859.53/72,767.58
  6. Step 6: Final answer
    x = 94,314.83

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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.