Home / 92,452.05-127,581.75-52,164.78

Finding the Fourth Proportional to 92,452.05, 127,581.75 and 52,164.78

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Solution

The fourth proportional to 92,452.05, 127,581.75 and 52,164.78 is: 71,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,452.05 : 127,581.75 = 52,164.78 : x
  2. Step 2: Convert to fraction form
    92,452.05/127,581.75 = 52,164.78/x
  3. Step 3: Cross multiply
    92,452.05x = 127,581.75 × 52,164.78
  4. Step 4: Simplify right side
    92,452.05x = 6,655,273,920.77
  5. Step 5: Solve for x
    x = 6,655,273,920.77/92,452.05
  6. Step 6: Final answer
    x = 71,986.22

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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.