Home / 77,796.28-107,382.66-45,538.44

Finding the Fourth Proportional to 77,796.28, 107,382.66 and 45,538.44

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Solution

The fourth proportional to 77,796.28, 107,382.66 and 45,538.44 is: 62,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,796.28 : 107,382.66 = 45,538.44 : x
  2. Step 2: Convert to fraction form
    77,796.28/107,382.66 = 45,538.44/x
  3. Step 3: Cross multiply
    77,796.28x = 107,382.66 × 45,538.44
  4. Step 4: Simplify right side
    77,796.28x = 4,890,038,819.45
  5. Step 5: Solve for x
    x = 4,890,038,819.45/77,796.28
  6. Step 6: Final answer
    x = 62,856.98

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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.