Home / 89,400.62-134,098.82-45,015.46

Finding the Fourth Proportional to 89,400.62, 134,098.82 and 45,015.46

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Solution

The fourth proportional to 89,400.62, 134,098.82 and 45,015.46 is: 67,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,400.62 : 134,098.82 = 45,015.46 : x
  2. Step 2: Convert to fraction form
    89,400.62/134,098.82 = 45,015.46/x
  3. Step 3: Cross multiply
    89,400.62x = 134,098.82 × 45,015.46
  4. Step 4: Simplify right side
    89,400.62x = 6,036,520,067.76
  5. Step 5: Solve for x
    x = 6,036,520,067.76/89,400.62
  6. Step 6: Final answer
    x = 67,522.13

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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.