Home / 87,586.44-120,869.42-49,860.69

Finding the Fourth Proportional to 87,586.44, 120,869.42 and 49,860.69

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Solution

The fourth proportional to 87,586.44, 120,869.42 and 49,860.69 is: 68,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,586.44 : 120,869.42 = 49,860.69 : x
  2. Step 2: Convert to fraction form
    87,586.44/120,869.42 = 49,860.69/x
  3. Step 3: Cross multiply
    87,586.44x = 120,869.42 × 49,860.69
  4. Step 4: Simplify right side
    87,586.44x = 6,026,632,681.10
  5. Step 5: Solve for x
    x = 6,026,632,681.10/87,586.44
  6. Step 6: Final answer
    x = 68,807.83

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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.