Home / 84,020.29-126,082.99-34,100.39

Finding the Fourth Proportional to 84,020.29, 126,082.99 and 34,100.39

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Solution

The fourth proportional to 84,020.29, 126,082.99 and 34,100.39 is: 51,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,020.29 : 126,082.99 = 34,100.39 : x
  2. Step 2: Convert to fraction form
    84,020.29/126,082.99 = 34,100.39/x
  3. Step 3: Cross multiply
    84,020.29x = 126,082.99 × 34,100.39
  4. Step 4: Simplify right side
    84,020.29x = 4,299,478,330.45
  5. Step 5: Solve for x
    x = 4,299,478,330.45/84,020.29
  6. Step 6: Final answer
    x = 51,171.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.