Home / 62,575.90-93,874.10-20,443.75

Finding the Fourth Proportional to 62,575.90, 93,874.10 and 20,443.75

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Solution

The fourth proportional to 62,575.90, 93,874.10 and 20,443.75 is: 30,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,575.90 : 93,874.10 = 20,443.75 : x
  2. Step 2: Convert to fraction form
    62,575.90/93,874.10 = 20,443.75/x
  3. Step 3: Cross multiply
    62,575.90x = 93,874.10 × 20,443.75
  4. Step 4: Simplify right side
    62,575.90x = 1,919,138,294.97
  5. Step 5: Solve for x
    x = 1,919,138,294.97/62,575.90
  6. Step 6: Final answer
    x = 30,668.97

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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.