Home / 71,162.26-98,202.90-39,330.46

Finding the Fourth Proportional to 71,162.26, 98,202.90 and 39,330.46

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Solution

The fourth proportional to 71,162.26, 98,202.90 and 39,330.46 is: 54,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,162.26 : 98,202.90 = 39,330.46 : x
  2. Step 2: Convert to fraction form
    71,162.26/98,202.90 = 39,330.46/x
  3. Step 3: Cross multiply
    71,162.26x = 98,202.90 × 39,330.46
  4. Step 4: Simplify right side
    71,162.26x = 3,862,365,230.33
  5. Step 5: Solve for x
    x = 3,862,365,230.33/71,162.26
  6. Step 6: Final answer
    x = 54,275.47

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1.5x scale

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.