Home / 51,966.62-77,942.10-14,522.76

Finding the Fourth Proportional to 51,966.62, 77,942.10 and 14,522.76

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Solution

The fourth proportional to 51,966.62, 77,942.10 and 14,522.76 is: 21,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,966.62 : 77,942.10 = 14,522.76 : x
  2. Step 2: Convert to fraction form
    51,966.62/77,942.10 = 14,522.76/x
  3. Step 3: Cross multiply
    51,966.62x = 77,942.10 × 14,522.76
  4. Step 4: Simplify right side
    51,966.62x = 1,131,934,412.20
  5. Step 5: Solve for x
    x = 1,131,934,412.20/51,966.62
  6. Step 6: Final answer
    x = 21,781.95

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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.