Home / 84,862.14-127,099.44-40,520.02

Finding the Fourth Proportional to 84,862.14, 127,099.44 and 40,520.02

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Solution

The fourth proportional to 84,862.14, 127,099.44 and 40,520.02 is: 60,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,862.14 : 127,099.44 = 40,520.02 : x
  2. Step 2: Convert to fraction form
    84,862.14/127,099.44 = 40,520.02/x
  3. Step 3: Cross multiply
    84,862.14x = 127,099.44 × 40,520.02
  4. Step 4: Simplify right side
    84,862.14x = 5,150,071,850.79
  5. Step 5: Solve for x
    x = 5,150,071,850.79/84,862.14
  6. Step 6: Final answer
    x = 60,687.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.