Home / 55,902.70-77,120.04-49,535.74

Finding the Fourth Proportional to 55,902.70, 77,120.04 and 49,535.74

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Solution

The fourth proportional to 55,902.70, 77,120.04 and 49,535.74 is: 68,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,902.70 : 77,120.04 = 49,535.74 : x
  2. Step 2: Convert to fraction form
    55,902.70/77,120.04 = 49,535.74/x
  3. Step 3: Cross multiply
    55,902.70x = 77,120.04 × 49,535.74
  4. Step 4: Simplify right side
    55,902.70x = 3,820,198,250.23
  5. Step 5: Solve for x
    x = 3,820,198,250.23/55,902.70
  6. Step 6: Final answer
    x = 68,336.56

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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.