Home / 54,856.68-75,677.38-48,121.53

Finding the Fourth Proportional to 54,856.68, 75,677.38 and 48,121.53

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Solution

The fourth proportional to 54,856.68, 75,677.38 and 48,121.53 is: 66,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.68 : 75,677.38 = 48,121.53 : x
  2. Step 2: Convert to fraction form
    54,856.68/75,677.38 = 48,121.53/x
  3. Step 3: Cross multiply
    54,856.68x = 75,677.38 × 48,121.53
  4. Step 4: Simplify right side
    54,856.68x = 3,641,711,311.99
  5. Step 5: Solve for x
    x = 3,641,711,311.99/54,856.68
  6. Step 6: Final answer
    x = 66,385.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.