Home / 78,756.13-108,679.18-44,759.90

Finding the Fourth Proportional to 78,756.13, 108,679.18 and 44,759.90

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Solution

The fourth proportional to 78,756.13, 108,679.18 and 44,759.90 is: 61,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,756.13 : 108,679.18 = 44,759.90 : x
  2. Step 2: Convert to fraction form
    78,756.13/108,679.18 = 44,759.90/x
  3. Step 3: Cross multiply
    78,756.13x = 108,679.18 × 44,759.90
  4. Step 4: Simplify right side
    78,756.13x = 4,864,468,699.47
  5. Step 5: Solve for x
    x = 4,864,468,699.47/78,756.13
  6. Step 6: Final answer
    x = 61,766.23

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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.