Home / 54,712.10-82,100.55-39,883.70

Finding the Fourth Proportional to 54,712.10, 82,100.55 and 39,883.70

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Solution

The fourth proportional to 54,712.10, 82,100.55 and 39,883.70 is: 59,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.10 : 82,100.55 = 39,883.70 : x
  2. Step 2: Convert to fraction form
    54,712.10/82,100.55 = 39,883.70/x
  3. Step 3: Cross multiply
    54,712.10x = 82,100.55 × 39,883.70
  4. Step 4: Simplify right side
    54,712.10x = 3,274,473,706.04
  5. Step 5: Solve for x
    x = 3,274,473,706.04/54,712.10
  6. Step 6: Final answer
    x = 59,849.17

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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.