Home / 92,452.05-127,581.74-52,164.78

Finding the Fourth Proportional to 92,452.05, 127,581.74 and 52,164.78

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Solution

The fourth proportional to 92,452.05, 127,581.74 and 52,164.78 is: 71,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,452.05 : 127,581.74 = 52,164.78 : x
  2. Step 2: Convert to fraction form
    92,452.05/127,581.74 = 52,164.78/x
  3. Step 3: Cross multiply
    92,452.05x = 127,581.74 × 52,164.78
  4. Step 4: Simplify right side
    92,452.05x = 6,655,273,138.29
  5. Step 5: Solve for x
    x = 6,655,273,138.29/92,452.05
  6. Step 6: Final answer
    x = 71,986.21

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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.