Home / 87,596.25-120,882.96-49,870.50

Finding the Fourth Proportional to 87,596.25, 120,882.96 and 49,870.50

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Solution

The fourth proportional to 87,596.25, 120,882.96 and 49,870.50 is: 68,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,596.25 : 120,882.96 = 49,870.50 : x
  2. Step 2: Convert to fraction form
    87,596.25/120,882.96 = 49,870.50/x
  3. Step 3: Cross multiply
    87,596.25x = 120,882.96 × 49,870.50
  4. Step 4: Simplify right side
    87,596.25x = 6,028,493,656.68
  5. Step 5: Solve for x
    x = 6,028,493,656.68/87,596.25
  6. Step 6: Final answer
    x = 68,821.37

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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.