Home / 71,539.11-98,728.59-41,325.71

Finding the Fourth Proportional to 71,539.11, 98,728.59 and 41,325.71

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Solution

The fourth proportional to 71,539.11, 98,728.59 and 41,325.71 is: 57,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539.11 : 98,728.59 = 41,325.71 : x
  2. Step 2: Convert to fraction form
    71,539.11/98,728.59 = 41,325.71/x
  3. Step 3: Cross multiply
    71,539.11x = 98,728.59 × 41,325.71
  4. Step 4: Simplify right side
    71,539.11x = 4,080,028,585.41
  5. Step 5: Solve for x
    x = 4,080,028,585.41/71,539.11
  6. Step 6: Final answer
    x = 57,032.14

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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.