Home / 87,525.70-120,786.16-49,802.38

Finding the Fourth Proportional to 87,525.70, 120,786.16 and 49,802.38

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Solution

The fourth proportional to 87,525.70, 120,786.16 and 49,802.38 is: 68,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.70 : 120,786.16 = 49,802.38 : x
  2. Step 2: Convert to fraction form
    87,525.70/120,786.16 = 49,802.38/x
  3. Step 3: Cross multiply
    87,525.70x = 120,786.16 × 49,802.38
  4. Step 4: Simplify right side
    87,525.70x = 6,015,438,239.06
  5. Step 5: Solve for x
    x = 6,015,438,239.06/87,525.70
  6. Step 6: Final answer
    x = 68,727.68

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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.