Home / 82,144.74-113,351.25-60,645.93

Finding the Fourth Proportional to 82,144.74, 113,351.25 and 60,645.93

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Solution

The fourth proportional to 82,144.74, 113,351.25 and 60,645.93 is: 83,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,144.74 : 113,351.25 = 60,645.93 : x
  2. Step 2: Convert to fraction form
    82,144.74/113,351.25 = 60,645.93/x
  3. Step 3: Cross multiply
    82,144.74x = 113,351.25 × 60,645.93
  4. Step 4: Simplify right side
    82,144.74x = 6,874,291,972.91
  5. Step 5: Solve for x
    x = 6,874,291,972.91/82,144.74
  6. Step 6: Final answer
    x = 83,685.11

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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.