Home / 89,067.19-122,914.11-48,780.22

Finding the Fourth Proportional to 89,067.19, 122,914.11 and 48,780.22

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Solution

The fourth proportional to 89,067.19, 122,914.11 and 48,780.22 is: 67,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,067.19 : 122,914.11 = 48,780.22 : x
  2. Step 2: Convert to fraction form
    89,067.19/122,914.11 = 48,780.22/x
  3. Step 3: Cross multiply
    89,067.19x = 122,914.11 × 48,780.22
  4. Step 4: Simplify right side
    89,067.19x = 5,995,777,326.90
  5. Step 5: Solve for x
    x = 5,995,777,326.90/89,067.19
  6. Step 6: Final answer
    x = 67,317.46

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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.