Home / 106,616.16-147,132.60-58,872.54

Finding the Fourth Proportional to 106,616.16, 147,132.60 and 58,872.54

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Solution

The fourth proportional to 106,616.16, 147,132.60 and 58,872.54 is: 81,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,616.16 : 147,132.60 = 58,872.54 : x
  2. Step 2: Convert to fraction form
    106,616.16/147,132.60 = 58,872.54/x
  3. Step 3: Cross multiply
    106,616.16x = 147,132.60 × 58,872.54
  4. Step 4: Simplify right side
    106,616.16x = 8,662,069,878.80
  5. Step 5: Solve for x
    x = 8,662,069,878.80/106,616.16
  6. Step 6: Final answer
    x = 81,245.37

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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.