Home / 106,062.79-146,367.18-58,319.20

Finding the Fourth Proportional to 106,062.79, 146,367.18 and 58,319.20

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Solution

The fourth proportional to 106,062.79, 146,367.18 and 58,319.20 is: 80,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,062.79 : 146,367.18 = 58,319.20 : x
  2. Step 2: Convert to fraction form
    106,062.79/146,367.18 = 58,319.20/x
  3. Step 3: Cross multiply
    106,062.79x = 146,367.18 × 58,319.20
  4. Step 4: Simplify right side
    106,062.79x = 8,536,016,552.26
  5. Step 5: Solve for x
    x = 8,536,016,552.26/106,062.79
  6. Step 6: Final answer
    x = 80,480.79

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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.