Home / 91,704.54-137,684.25-47,364.06

Finding the Fourth Proportional to 91,704.54, 137,684.25 and 47,364.06

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Solution

The fourth proportional to 91,704.54, 137,684.25 and 47,364.06 is: 71,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,704.54 : 137,684.25 = 47,364.06 : x
  2. Step 2: Convert to fraction form
    91,704.54/137,684.25 = 47,364.06/x
  3. Step 3: Cross multiply
    91,704.54x = 137,684.25 × 47,364.06
  4. Step 4: Simplify right side
    91,704.54x = 6,521,285,078.06
  5. Step 5: Solve for x
    x = 6,521,285,078.06/91,704.54
  6. Step 6: Final answer
    x = 71,111.91

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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.