Home / 82,115.28-113,319.18-44,389.50

Finding the Fourth Proportional to 82,115.28, 113,319.18 and 44,389.50

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Solution

The fourth proportional to 82,115.28, 113,319.18 and 44,389.50 is: 61,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,115.28 : 113,319.18 = 44,389.50 : x
  2. Step 2: Convert to fraction form
    82,115.28/113,319.18 = 44,389.50/x
  3. Step 3: Cross multiply
    82,115.28x = 113,319.18 × 44,389.50
  4. Step 4: Simplify right side
    82,115.28x = 5,030,181,740.61
  5. Step 5: Solve for x
    x = 5,030,181,740.61/82,115.28
  6. Step 6: Final answer
    x = 61,257.56

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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.