Home / 74,398.08-111,568.57-31,676.43

Finding the Fourth Proportional to 74,398.08, 111,568.57 and 31,676.43

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Solution

The fourth proportional to 74,398.08, 111,568.57 and 31,676.43 is: 47,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,398.08 : 111,568.57 = 31,676.43 : x
  2. Step 2: Convert to fraction form
    74,398.08/111,568.57 = 31,676.43/x
  3. Step 3: Cross multiply
    74,398.08x = 111,568.57 × 31,676.43
  4. Step 4: Simplify right side
    74,398.08x = 3,534,093,281.58
  5. Step 5: Solve for x
    x = 3,534,093,281.58/74,398.08
  6. Step 6: Final answer
    x = 47,502.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.