Home / 82,115.06-113,318.95-44,389.31

Finding the Fourth Proportional to 82,115.06, 113,318.95 and 44,389.31

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Solution

The fourth proportional to 82,115.06, 113,318.95 and 44,389.31 is: 61,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,115.06 : 113,318.95 = 44,389.31 : x
  2. Step 2: Convert to fraction form
    82,115.06/113,318.95 = 44,389.31/x
  3. Step 3: Cross multiply
    82,115.06x = 113,318.95 × 44,389.31
  4. Step 4: Simplify right side
    82,115.06x = 5,030,149,211.88
  5. Step 5: Solve for x
    x = 5,030,149,211.88/82,115.06
  6. Step 6: Final answer
    x = 61,257.33

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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.