Home / 78,372.30-108,165.99-44,382.54

Finding the Fourth Proportional to 78,372.30, 108,165.99 and 44,382.54

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Solution

The fourth proportional to 78,372.30, 108,165.99 and 44,382.54 is: 61,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,372.30 : 108,165.99 = 44,382.54 : x
  2. Step 2: Convert to fraction form
    78,372.30/108,165.99 = 44,382.54/x
  3. Step 3: Cross multiply
    78,372.30x = 108,165.99 × 44,382.54
  4. Step 4: Simplify right side
    78,372.30x = 4,800,681,377.81
  5. Step 5: Solve for x
    x = 4,800,681,377.81/78,372.30
  6. Step 6: Final answer
    x = 61,254.82

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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.