Home / 49,249.12-74,206.12-40,676.08

Finding the Fourth Proportional to 49,249.12, 74,206.12 and 40,676.08

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Solution

The fourth proportional to 49,249.12, 74,206.12 and 40,676.08 is: 61,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,249.12 : 74,206.12 = 40,676.08 : x
  2. Step 2: Convert to fraction form
    49,249.12/74,206.12 = 40,676.08/x
  3. Step 3: Cross multiply
    49,249.12x = 74,206.12 × 40,676.08
  4. Step 4: Simplify right side
    49,249.12x = 3,018,414,073.61
  5. Step 5: Solve for x
    x = 3,018,414,073.61/49,249.12
  6. Step 6: Final answer
    x = 61,288.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.