Home / 57,874.66-79,821.99-38,748.35

Finding the Fourth Proportional to 57,874.66, 79,821.99 and 38,748.35

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Solution

The fourth proportional to 57,874.66, 79,821.99 and 38,748.35 is: 53,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,874.66 : 79,821.99 = 38,748.35 : x
  2. Step 2: Convert to fraction form
    57,874.66/79,821.99 = 38,748.35/x
  3. Step 3: Cross multiply
    57,874.66x = 79,821.99 × 38,748.35
  4. Step 4: Simplify right side
    57,874.66x = 3,092,970,605.77
  5. Step 5: Solve for x
    x = 3,092,970,605.77/57,874.66
  6. Step 6: Final answer
    x = 53,442.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.