Home / 71,250.36-98,318.46-39,414.84

Finding the Fourth Proportional to 71,250.36, 98,318.46 and 39,414.84

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Solution

The fourth proportional to 71,250.36, 98,318.46 and 39,414.84 is: 54,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,250.36 : 98,318.46 = 39,414.84 : x
  2. Step 2: Convert to fraction form
    71,250.36/98,318.46 = 39,414.84/x
  3. Step 3: Cross multiply
    71,250.36x = 98,318.46 × 39,414.84
  4. Step 4: Simplify right side
    71,250.36x = 3,875,206,369.95
  5. Step 5: Solve for x
    x = 3,875,206,369.95/71,250.36
  6. Step 6: Final answer
    x = 54,388.59

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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.