Home / 105,850.88-146,073.66-58,105.04

Finding the Fourth Proportional to 105,850.88, 146,073.66 and 58,105.04

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Solution

The fourth proportional to 105,850.88, 146,073.66 and 58,105.04 is: 80,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,850.88 : 146,073.66 = 58,105.04 : x
  2. Step 2: Convert to fraction form
    105,850.88/146,073.66 = 58,105.04/x
  3. Step 3: Cross multiply
    105,850.88x = 146,073.66 × 58,105.04
  4. Step 4: Simplify right side
    105,850.88x = 8,487,615,857.25
  5. Step 5: Solve for x
    x = 8,487,615,857.25/105,850.88
  6. Step 6: Final answer
    x = 80,184.65

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1.5x scale

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.