Home / 62,579.35-93,874.78-20,459.66

Finding the Fourth Proportional to 62,579.35, 93,874.78 and 20,459.66

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Solution

The fourth proportional to 62,579.35, 93,874.78 and 20,459.66 is: 30,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,579.35 : 93,874.78 = 20,459.66 : x
  2. Step 2: Convert to fraction form
    62,579.35/93,874.78 = 20,459.66/x
  3. Step 3: Cross multiply
    62,579.35x = 93,874.78 × 20,459.66
  4. Step 4: Simplify right side
    62,579.35x = 1,920,645,637.58
  5. Step 5: Solve for x
    x = 1,920,645,637.58/62,579.35
  6. Step 6: Final answer
    x = 30,691.36

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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.