Home / 87,175.41-120,314.63-48,422.07

Finding the Fourth Proportional to 87,175.41, 120,314.63 and 48,422.07

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Solution

The fourth proportional to 87,175.41, 120,314.63 and 48,422.07 is: 66,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,175.41 : 120,314.63 = 48,422.07 : x
  2. Step 2: Convert to fraction form
    87,175.41/120,314.63 = 48,422.07/x
  3. Step 3: Cross multiply
    87,175.41x = 120,314.63 × 48,422.07
  4. Step 4: Simplify right side
    87,175.41x = 5,825,883,556.94
  5. Step 5: Solve for x
    x = 5,825,883,556.94/87,175.41
  6. Step 6: Final answer
    x = 66,829.44

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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.