Home / 107,612.76-148,504.91-59,217.65

Finding the Fourth Proportional to 107,612.76, 148,504.91 and 59,217.65

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Solution

The fourth proportional to 107,612.76, 148,504.91 and 59,217.65 is: 81,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,612.76 : 148,504.91 = 59,217.65 : x
  2. Step 2: Convert to fraction form
    107,612.76/148,504.91 = 59,217.65/x
  3. Step 3: Cross multiply
    107,612.76x = 148,504.91 × 59,217.65
  4. Step 4: Simplify right side
    107,612.76x = 8,794,110,745.05
  5. Step 5: Solve for x
    x = 8,794,110,745.05/107,612.76
  6. Step 6: Final answer
    x = 81,719.96

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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.