Home / 54,178.62-81,428.34-52,706.04

Finding the Fourth Proportional to 54,178.62, 81,428.34 and 52,706.04

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Solution

The fourth proportional to 54,178.62, 81,428.34 and 52,706.04 is: 79,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178.62 : 81,428.34 = 52,706.04 : x
  2. Step 2: Convert to fraction form
    54,178.62/81,428.34 = 52,706.04/x
  3. Step 3: Cross multiply
    54,178.62x = 81,428.34 × 52,706.04
  4. Step 4: Simplify right side
    54,178.62x = 4,291,765,345.17
  5. Step 5: Solve for x
    x = 4,291,765,345.17/54,178.62
  6. Step 6: Final answer
    x = 79,215.11

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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.