Home / 78,901.24-108,878.88-43,083.96

Finding the Fourth Proportional to 78,901.24, 108,878.88 and 43,083.96

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Solution

The fourth proportional to 78,901.24, 108,878.88 and 43,083.96 is: 59,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,901.24 : 108,878.88 = 43,083.96 : x
  2. Step 2: Convert to fraction form
    78,901.24/108,878.88 = 43,083.96/x
  3. Step 3: Cross multiply
    78,901.24x = 108,878.88 × 43,083.96
  4. Step 4: Simplify right side
    78,901.24x = 4,690,933,310.76
  5. Step 5: Solve for x
    x = 4,690,933,310.76/78,901.24
  6. Step 6: Final answer
    x = 59,453.23

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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.