Home / 118,761.25-163,884.27-65,045.13

Finding the Fourth Proportional to 118,761.25, 163,884.27 and 65,045.13

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Solution

The fourth proportional to 118,761.25, 163,884.27 and 65,045.13 is: 89,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,761.25 : 163,884.27 = 65,045.13 : x
  2. Step 2: Convert to fraction form
    118,761.25/163,884.27 = 65,045.13/x
  3. Step 3: Cross multiply
    118,761.25x = 163,884.27 × 65,045.13
  4. Step 4: Simplify right side
    118,761.25x = 10,659,873,647.11
  5. Step 5: Solve for x
    x = 10,659,873,647.11/118,761.25
  6. Step 6: Final answer
    x = 89,758.85

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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.