Home / 82,171.65-113,396.87-44,445.90

Finding the Fourth Proportional to 82,171.65, 113,396.87 and 44,445.90

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Solution

The fourth proportional to 82,171.65, 113,396.87 and 44,445.90 is: 61,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,171.65 : 113,396.87 = 44,445.90 : x
  2. Step 2: Convert to fraction form
    82,171.65/113,396.87 = 44,445.90/x
  3. Step 3: Cross multiply
    82,171.65x = 113,396.87 × 44,445.90
  4. Step 4: Simplify right side
    82,171.65x = 5,040,025,722.10
  5. Step 5: Solve for x
    x = 5,040,025,722.10/82,171.65
  6. Step 6: Final answer
    x = 61,335.34

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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.