Home / 81,517.66-122,095.86-62,658.84

Finding the Fourth Proportional to 81,517.66, 122,095.86 and 62,658.84

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Solution

The fourth proportional to 81,517.66, 122,095.86 and 62,658.84 is: 93,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,517.66 : 122,095.86 = 62,658.84 : x
  2. Step 2: Convert to fraction form
    81,517.66/122,095.86 = 62,658.84/x
  3. Step 3: Cross multiply
    81,517.66x = 122,095.86 × 62,658.84
  4. Step 4: Simplify right side
    81,517.66x = 7,650,384,956.40
  5. Step 5: Solve for x
    x = 7,650,384,956.40/81,517.66
  6. Step 6: Final answer
    x = 93,849.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.