Home / 62,456.40-86,189.13-34,161.75

Finding the Fourth Proportional to 62,456.40, 86,189.13 and 34,161.75

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Solution

The fourth proportional to 62,456.40, 86,189.13 and 34,161.75 is: 47,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,456.40 : 86,189.13 = 34,161.75 : x
  2. Step 2: Convert to fraction form
    62,456.40/86,189.13 = 34,161.75/x
  3. Step 3: Cross multiply
    62,456.40x = 86,189.13 × 34,161.75
  4. Step 4: Simplify right side
    62,456.40x = 2,944,371,511.78
  5. Step 5: Solve for x
    x = 2,944,371,511.78/62,456.40
  6. Step 6: Final answer
    x = 47,142.83

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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.