Home / 77,849.32-107,409.83-43,845.90

Finding the Fourth Proportional to 77,849.32, 107,409.83 and 43,845.90

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Solution

The fourth proportional to 77,849.32, 107,409.83 and 43,845.90 is: 60,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.32 : 107,409.83 = 43,845.90 : x
  2. Step 2: Convert to fraction form
    77,849.32/107,409.83 = 43,845.90/x
  3. Step 3: Cross multiply
    77,849.32x = 107,409.83 × 43,845.90
  4. Step 4: Simplify right side
    77,849.32x = 4,709,480,445.97
  5. Step 5: Solve for x
    x = 4,709,480,445.97/77,849.32
  6. Step 6: Final answer
    x = 60,494.82

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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.