Home / 105,960.12-146,160.18-62,910.42

Finding the Fourth Proportional to 105,960.12, 146,160.18 and 62,910.42

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Solution

The fourth proportional to 105,960.12, 146,160.18 and 62,910.42 is: 86,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,960.12 : 146,160.18 = 62,910.42 : x
  2. Step 2: Convert to fraction form
    105,960.12/146,160.18 = 62,910.42/x
  3. Step 3: Cross multiply
    105,960.12x = 146,160.18 × 62,910.42
  4. Step 4: Simplify right side
    105,960.12x = 9,194,998,311.08
  5. Step 5: Solve for x
    x = 9,194,998,311.08/105,960.12
  6. Step 6: Final answer
    x = 86,777.92

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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.