Home / 57,363.47-79,147.27-34,396.90

Finding the Fourth Proportional to 57,363.47, 79,147.27 and 34,396.90

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Solution

The fourth proportional to 57,363.47, 79,147.27 and 34,396.90 is: 47,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.47 : 79,147.27 = 34,396.90 : x
  2. Step 2: Convert to fraction form
    57,363.47/79,147.27 = 34,396.90/x
  3. Step 3: Cross multiply
    57,363.47x = 79,147.27 × 34,396.90
  4. Step 4: Simplify right side
    57,363.47x = 2,722,420,605.59
  5. Step 5: Solve for x
    x = 2,722,420,605.59/57,363.47
  6. Step 6: Final answer
    x = 47,459.13

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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.