Home / 78,869.96-108,836.28-44,877.44

Finding the Fourth Proportional to 78,869.96, 108,836.28 and 44,877.44

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Solution

The fourth proportional to 78,869.96, 108,836.28 and 44,877.44 is: 61,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,869.96 : 108,836.28 = 44,877.44 : x
  2. Step 2: Convert to fraction form
    78,869.96/108,836.28 = 44,877.44/x
  3. Step 3: Cross multiply
    78,869.96x = 108,836.28 × 44,877.44
  4. Step 4: Simplify right side
    78,869.96x = 4,884,293,625.52
  5. Step 5: Solve for x
    x = 4,884,293,625.52/78,869.96
  6. Step 6: Final answer
    x = 61,928.44

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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.