Home / 78,494.36-108,318.92-44,505.13

Finding the Fourth Proportional to 78,494.36, 108,318.92 and 44,505.13

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Solution

The fourth proportional to 78,494.36, 108,318.92 and 44,505.13 is: 61,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,494.36 : 108,318.92 = 44,505.13 : x
  2. Step 2: Convert to fraction form
    78,494.36/108,318.92 = 44,505.13/x
  3. Step 3: Cross multiply
    78,494.36x = 108,318.92 × 44,505.13
  4. Step 4: Simplify right side
    78,494.36x = 4,820,747,616.06
  5. Step 5: Solve for x
    x = 4,820,747,616.06/78,494.36
  6. Step 6: Final answer
    x = 61,415.21

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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.