Home / 57,982.38-80,031.45-34,116.75

Finding the Fourth Proportional to 57,982.38, 80,031.45 and 34,116.75

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Solution

The fourth proportional to 57,982.38, 80,031.45 and 34,116.75 is: 47,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,982.38 : 80,031.45 = 34,116.75 : x
  2. Step 2: Convert to fraction form
    57,982.38/80,031.45 = 34,116.75/x
  3. Step 3: Cross multiply
    57,982.38x = 80,031.45 × 34,116.75
  4. Step 4: Simplify right side
    57,982.38x = 2,730,412,971.79
  5. Step 5: Solve for x
    x = 2,730,412,971.79/57,982.38
  6. Step 6: Final answer
    x = 47,090.39

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1.5x scale

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.