Home / 78,269.20-108,011.52-44,276.96

Finding the Fourth Proportional to 78,269.20, 108,011.52 and 44,276.96

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Solution

The fourth proportional to 78,269.20, 108,011.52 and 44,276.96 is: 61,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,269.20 : 108,011.52 = 44,276.96 : x
  2. Step 2: Convert to fraction form
    78,269.20/108,011.52 = 44,276.96/x
  3. Step 3: Cross multiply
    78,269.20x = 108,011.52 × 44,276.96
  4. Step 4: Simplify right side
    78,269.20x = 4,782,422,020.61
  5. Step 5: Solve for x
    x = 4,782,422,020.61/78,269.20
  6. Step 6: Final answer
    x = 61,102.22

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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.