Home / 71,199.12-98,253.36-39,367.20

Finding the Fourth Proportional to 71,199.12, 98,253.36 and 39,367.20

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Solution

The fourth proportional to 71,199.12, 98,253.36 and 39,367.20 is: 54,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,199.12 : 98,253.36 = 39,367.20 : x
  2. Step 2: Convert to fraction form
    71,199.12/98,253.36 = 39,367.20/x
  3. Step 3: Cross multiply
    71,199.12x = 98,253.36 × 39,367.20
  4. Step 4: Simplify right side
    71,199.12x = 3,867,959,673.79
  5. Step 5: Solve for x
    x = 3,867,959,673.79/71,199.12
  6. Step 6: Final answer
    x = 54,325.95

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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.