Home / 82,112.96-113,315.84-44,387.28

Finding the Fourth Proportional to 82,112.96, 113,315.84 and 44,387.28

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Solution

The fourth proportional to 82,112.96, 113,315.84 and 44,387.28 is: 61,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,112.96 : 113,315.84 = 44,387.28 : x
  2. Step 2: Convert to fraction form
    82,112.96/113,315.84 = 44,387.28/x
  3. Step 3: Cross multiply
    82,112.96x = 113,315.84 × 44,387.28
  4. Step 4: Simplify right side
    82,112.96x = 5,029,781,918.52
  5. Step 5: Solve for x
    x = 5,029,781,918.52/82,112.96
  6. Step 6: Final answer
    x = 61,254.42

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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.