Home / 71,247.12-98,255.88-61,172.34

Finding the Fourth Proportional to 71,247.12, 98,255.88 and 61,172.34

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Solution

The fourth proportional to 71,247.12, 98,255.88 and 61,172.34 is: 84,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247.12 : 98,255.88 = 61,172.34 : x
  2. Step 2: Convert to fraction form
    71,247.12/98,255.88 = 61,172.34/x
  3. Step 3: Cross multiply
    71,247.12x = 98,255.88 × 61,172.34
  4. Step 4: Simplify right side
    71,247.12x = 6,010,542,098.36
  5. Step 5: Solve for x
    x = 6,010,542,098.36/71,247.12
  6. Step 6: Final answer
    x = 84,361.90

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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.