Home / 62,455.38-86,190.45-34,161.08

Finding the Fourth Proportional to 62,455.38, 86,190.45 and 34,161.08

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Solution

The fourth proportional to 62,455.38, 86,190.45 and 34,161.08 is: 47,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,455.38 : 86,190.45 = 34,161.08 : x
  2. Step 2: Convert to fraction form
    62,455.38/86,190.45 = 34,161.08/x
  3. Step 3: Cross multiply
    62,455.38x = 86,190.45 × 34,161.08
  4. Step 4: Simplify right side
    62,455.38x = 2,944,358,426.73
  5. Step 5: Solve for x
    x = 2,944,358,426.73/62,455.38
  6. Step 6: Final answer
    x = 47,143.39

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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.