Home / 62,811.90-86,681.16-34,517.61

Finding the Fourth Proportional to 62,811.90, 86,681.16 and 34,517.61

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Solution

The fourth proportional to 62,811.90, 86,681.16 and 34,517.61 is: 47,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.90 : 86,681.16 = 34,517.61 : x
  2. Step 2: Convert to fraction form
    62,811.90/86,681.16 = 34,517.61/x
  3. Step 3: Cross multiply
    62,811.90x = 86,681.16 × 34,517.61
  4. Step 4: Simplify right side
    62,811.90x = 2,992,026,475.23
  5. Step 5: Solve for x
    x = 2,992,026,475.23/62,811.90
  6. Step 6: Final answer
    x = 47,634.71

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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.