Home / 82,116.96-113,321.36-44,391.28

Finding the Fourth Proportional to 82,116.96, 113,321.36 and 44,391.28

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Solution

The fourth proportional to 82,116.96, 113,321.36 and 44,391.28 is: 61,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,116.96 : 113,321.36 = 44,391.28 : x
  2. Step 2: Convert to fraction form
    82,116.96/113,321.36 = 44,391.28/x
  3. Step 3: Cross multiply
    82,116.96x = 113,321.36 × 44,391.28
  4. Step 4: Simplify right side
    82,116.96x = 5,030,480,221.74
  5. Step 5: Solve for x
    x = 5,030,480,221.74/82,116.96
  6. Step 6: Final answer
    x = 61,259.94

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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.