Home / 82,112.87-113,315.76-44,387.12

Finding the Fourth Proportional to 82,112.87, 113,315.76 and 44,387.12

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Solution

The fourth proportional to 82,112.87, 113,315.76 and 44,387.12 is: 61,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,112.87 : 113,315.76 = 44,387.12 : x
  2. Step 2: Convert to fraction form
    82,112.87/113,315.76 = 44,387.12/x
  3. Step 3: Cross multiply
    82,112.87x = 113,315.76 × 44,387.12
  4. Step 4: Simplify right side
    82,112.87x = 5,029,759,670.43
  5. Step 5: Solve for x
    x = 5,029,759,670.43/82,112.87
  6. Step 6: Final answer
    x = 61,254.22

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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.