Home / 71,079.33-98,087.58-39,247.54

Finding the Fourth Proportional to 71,079.33, 98,087.58 and 39,247.54

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Solution

The fourth proportional to 71,079.33, 98,087.58 and 39,247.54 is: 54,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,079.33 : 98,087.58 = 39,247.54 : x
  2. Step 2: Convert to fraction form
    71,079.33/98,087.58 = 39,247.54/x
  3. Step 3: Cross multiply
    71,079.33x = 98,087.58 × 39,247.54
  4. Step 4: Simplify right side
    71,079.33x = 3,849,696,219.55
  5. Step 5: Solve for x
    x = 3,849,696,219.55/71,079.33
  6. Step 6: Final answer
    x = 54,160.56

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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.