Home / 107,869.12-148,855.24-60,120.16

Finding the Fourth Proportional to 107,869.12, 148,855.24 and 60,120.16

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Solution

The fourth proportional to 107,869.12, 148,855.24 and 60,120.16 is: 82,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.12 : 148,855.24 = 60,120.16 : x
  2. Step 2: Convert to fraction form
    107,869.12/148,855.24 = 60,120.16/x
  3. Step 3: Cross multiply
    107,869.12x = 148,855.24 × 60,120.16
  4. Step 4: Simplify right side
    107,869.12x = 8,949,200,845.64
  5. Step 5: Solve for x
    x = 8,949,200,845.64/107,869.12
  6. Step 6: Final answer
    x = 82,963.51

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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.