Home / 83,548.97-115,298.03-49,574.53

Finding the Fourth Proportional to 83,548.97, 115,298.03 and 49,574.53

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Solution

The fourth proportional to 83,548.97, 115,298.03 and 49,574.53 is: 68,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.97 : 115,298.03 = 49,574.53 : x
  2. Step 2: Convert to fraction form
    83,548.97/115,298.03 = 49,574.53/x
  3. Step 3: Cross multiply
    83,548.97x = 115,298.03 × 49,574.53
  4. Step 4: Simplify right side
    83,548.97x = 5,715,845,915.23
  5. Step 5: Solve for x
    x = 5,715,845,915.23/83,548.97
  6. Step 6: Final answer
    x = 68,413.12

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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.