Home / 87,448.96-120,653.76-51,641.92

Finding the Fourth Proportional to 87,448.96, 120,653.76 and 51,641.92

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Solution

The fourth proportional to 87,448.96, 120,653.76 and 51,641.92 is: 71,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448.96 : 120,653.76 = 51,641.92 : x
  2. Step 2: Convert to fraction form
    87,448.96/120,653.76 = 51,641.92/x
  3. Step 3: Cross multiply
    87,448.96x = 120,653.76 × 51,641.92
  4. Step 4: Simplify right side
    87,448.96x = 6,230,791,821.62
  5. Step 5: Solve for x
    x = 6,230,791,821.62/87,448.96
  6. Step 6: Final answer
    x = 71,250.61

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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.