Home / 57,634.20-86,318.33-55,639.44

Finding the Fourth Proportional to 57,634.20, 86,318.33 and 55,639.44

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Solution

The fourth proportional to 57,634.20, 86,318.33 and 55,639.44 is: 83,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,634.20 : 86,318.33 = 55,639.44 : x
  2. Step 2: Convert to fraction form
    57,634.20/86,318.33 = 55,639.44/x
  3. Step 3: Cross multiply
    57,634.20x = 86,318.33 × 55,639.44
  4. Step 4: Simplify right side
    57,634.20x = 4,802,703,264.74
  5. Step 5: Solve for x
    x = 4,802,703,264.74/57,634.20
  6. Step 6: Final answer
    x = 83,330.79

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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.