Home / 87,444.48-120,684.42-49,711.44

Finding the Fourth Proportional to 87,444.48, 120,684.42 and 49,711.44

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Solution

The fourth proportional to 87,444.48, 120,684.42 and 49,711.44 is: 68,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,444.48 : 120,684.42 = 49,711.44 : x
  2. Step 2: Convert to fraction form
    87,444.48/120,684.42 = 49,711.44/x
  3. Step 3: Cross multiply
    87,444.48x = 120,684.42 × 49,711.44
  4. Step 4: Simplify right side
    87,444.48x = 5,999,396,303.76
  5. Step 5: Solve for x
    x = 5,999,396,303.76/87,444.48
  6. Step 6: Final answer
    x = 68,608.06

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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.