Home / 77,976.92-107,605.72-43,984.90

Finding the Fourth Proportional to 77,976.92, 107,605.72 and 43,984.90

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Solution

The fourth proportional to 77,976.92, 107,605.72 and 43,984.90 is: 60,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,976.92 : 107,605.72 = 43,984.90 : x
  2. Step 2: Convert to fraction form
    77,976.92/107,605.72 = 43,984.90/x
  3. Step 3: Cross multiply
    77,976.92x = 107,605.72 × 43,984.90
  4. Step 4: Simplify right side
    77,976.92x = 4,733,026,454.65
  5. Step 5: Solve for x
    x = 4,733,026,454.65/77,976.92
  6. Step 6: Final answer
    x = 60,697.78

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1.5x scale

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.