Home / 54,204.87-81,306.85-42,368.60

Finding the Fourth Proportional to 54,204.87, 81,306.85 and 42,368.60

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Solution

The fourth proportional to 54,204.87, 81,306.85 and 42,368.60 is: 63,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,204.87 : 81,306.85 = 42,368.60 : x
  2. Step 2: Convert to fraction form
    54,204.87/81,306.85 = 42,368.60/x
  3. Step 3: Cross multiply
    54,204.87x = 81,306.85 × 42,368.60
  4. Step 4: Simplify right side
    54,204.87x = 3,444,857,404.91
  5. Step 5: Solve for x
    x = 3,444,857,404.91/54,204.87
  6. Step 6: Final answer
    x = 63,552.54

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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.