Home / 91,963.14-137,874.80-47,561.60

Finding the Fourth Proportional to 91,963.14, 137,874.80 and 47,561.60

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Solution

The fourth proportional to 91,963.14, 137,874.80 and 47,561.60 is: 71,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,963.14 : 137,874.80 = 47,561.60 : x
  2. Step 2: Convert to fraction form
    91,963.14/137,874.80 = 47,561.60/x
  3. Step 3: Cross multiply
    91,963.14x = 137,874.80 × 47,561.60
  4. Step 4: Simplify right side
    91,963.14x = 6,557,545,160.50
  5. Step 5: Solve for x
    x = 6,557,545,160.50/91,963.14
  6. Step 6: Final answer
    x = 71,306.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.