Home / 79,785.06-110,104.14-43,976.40

Finding the Fourth Proportional to 79,785.06, 110,104.14 and 43,976.40

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Solution

The fourth proportional to 79,785.06, 110,104.14 and 43,976.40 is: 60,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785.06 : 110,104.14 = 43,976.40 : x
  2. Step 2: Convert to fraction form
    79,785.06/110,104.14 = 43,976.40/x
  3. Step 3: Cross multiply
    79,785.06x = 110,104.14 × 43,976.40
  4. Step 4: Simplify right side
    79,785.06x = 4,841,983,702.30
  5. Step 5: Solve for x
    x = 4,841,983,702.30/79,785.06
  6. Step 6: Final answer
    x = 60,687.85

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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.