Home / 106,179.93-146,529-58,432.05

Finding the Fourth Proportional to 106,179.93, 146,529 and 58,432.05

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Solution

The fourth proportional to 106,179.93, 146,529 and 58,432.05 is: 80,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,179.93 : 146,529 = 58,432.05 : x
  2. Step 2: Convert to fraction form
    106,179.93/146,529 = 58,432.05/x
  3. Step 3: Cross multiply
    106,179.93x = 146,529 × 58,432.05
  4. Step 4: Simplify right side
    106,179.93x = 8,561,989,854.45
  5. Step 5: Solve for x
    x = 8,561,989,854.45/106,179.93
  6. Step 6: Final answer
    x = 80,636.61

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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.