Home / 77,845.28-116,767.87-55,701.90

Finding the Fourth Proportional to 77,845.28, 116,767.87 and 55,701.90

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Solution

The fourth proportional to 77,845.28, 116,767.87 and 55,701.90 is: 83,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,845.28 : 116,767.87 = 55,701.90 : x
  2. Step 2: Convert to fraction form
    77,845.28/116,767.87 = 55,701.90/x
  3. Step 3: Cross multiply
    77,845.28x = 116,767.87 × 55,701.90
  4. Step 4: Simplify right side
    77,845.28x = 6,504,192,078.70
  5. Step 5: Solve for x
    x = 6,504,192,078.70/77,845.28
  6. Step 6: Final answer
    x = 83,552.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.