Home / 94,757.04-142,143.12-55,318.14

Finding the Fourth Proportional to 94,757.04, 142,143.12 and 55,318.14

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Solution

The fourth proportional to 94,757.04, 142,143.12 and 55,318.14 is: 82,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,757.04 : 142,143.12 = 55,318.14 : x
  2. Step 2: Convert to fraction form
    94,757.04/142,143.12 = 55,318.14/x
  3. Step 3: Cross multiply
    94,757.04x = 142,143.12 × 55,318.14
  4. Step 4: Simplify right side
    94,757.04x = 7,863,093,012.20
  5. Step 5: Solve for x
    x = 7,863,093,012.20/94,757.04
  6. Step 6: Final answer
    x = 82,981.62

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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.