Home / 90,335.05-124,656.94-50,045.90

Finding the Fourth Proportional to 90,335.05, 124,656.94 and 50,045.90

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Solution

The fourth proportional to 90,335.05, 124,656.94 and 50,045.90 is: 69,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,335.05 : 124,656.94 = 50,045.90 : x
  2. Step 2: Convert to fraction form
    90,335.05/124,656.94 = 50,045.90/x
  3. Step 3: Cross multiply
    90,335.05x = 124,656.94 × 50,045.90
  4. Step 4: Simplify right side
    90,335.05x = 6,238,568,508.87
  5. Step 5: Solve for x
    x = 6,238,568,508.87/90,335.05
  6. Step 6: Final answer
    x = 69,060.33

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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.