Home / 84,542.64-116,642.43-48,727.78

Finding the Fourth Proportional to 84,542.64, 116,642.43 and 48,727.78

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Solution

The fourth proportional to 84,542.64, 116,642.43 and 48,727.78 is: 67,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,542.64 : 116,642.43 = 48,727.78 : x
  2. Step 2: Convert to fraction form
    84,542.64/116,642.43 = 48,727.78/x
  3. Step 3: Cross multiply
    84,542.64x = 116,642.43 × 48,727.78
  4. Step 4: Simplify right side
    84,542.64x = 5,683,726,376.10
  5. Step 5: Solve for x
    x = 5,683,726,376.10/84,542.64
  6. Step 6: Final answer
    x = 67,229.11

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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.