Home / 74,731.05-112,098.65-18,568.89

Finding the Fourth Proportional to 74,731.05, 112,098.65 and 18,568.89

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Solution

The fourth proportional to 74,731.05, 112,098.65 and 18,568.89 is: 27,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,731.05 : 112,098.65 = 18,568.89 : x
  2. Step 2: Convert to fraction form
    74,731.05/112,098.65 = 18,568.89/x
  3. Step 3: Cross multiply
    74,731.05x = 112,098.65 × 18,568.89
  4. Step 4: Simplify right side
    74,731.05x = 2,081,547,408.15
  5. Step 5: Solve for x
    x = 2,081,547,408.15/74,731.05
  6. Step 6: Final answer
    x = 27,853.85

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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.