Home / 113,040.40-155,997.64-62,057.84

Finding the Fourth Proportional to 113,040.40, 155,997.64 and 62,057.84

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Solution

The fourth proportional to 113,040.40, 155,997.64 and 62,057.84 is: 85,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,040.40 : 155,997.64 = 62,057.84 : x
  2. Step 2: Convert to fraction form
    113,040.40/155,997.64 = 62,057.84/x
  3. Step 3: Cross multiply
    113,040.40x = 155,997.64 × 62,057.84
  4. Step 4: Simplify right side
    113,040.40x = 9,680,876,583.50
  5. Step 5: Solve for x
    x = 9,680,876,583.50/113,040.40
  6. Step 6: Final answer
    x = 85,640.86

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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.