Home / 62,934.28-86,849.60-36,078.36

Finding the Fourth Proportional to 62,934.28, 86,849.60 and 36,078.36

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Solution

The fourth proportional to 62,934.28, 86,849.60 and 36,078.36 is: 49,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,934.28 : 86,849.60 = 36,078.36 : x
  2. Step 2: Convert to fraction form
    62,934.28/86,849.60 = 36,078.36/x
  3. Step 3: Cross multiply
    62,934.28x = 86,849.60 × 36,078.36
  4. Step 4: Simplify right side
    62,934.28x = 3,133,391,134.66
  5. Step 5: Solve for x
    x = 3,133,391,134.66/62,934.28
  6. Step 6: Final answer
    x = 49,788.31

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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.