Home / 91,623.06-137,425.95-29,276.82

Finding the Fourth Proportional to 91,623.06, 137,425.95 and 29,276.82

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Solution

The fourth proportional to 91,623.06, 137,425.95 and 29,276.82 is: 43,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623.06 : 137,425.95 = 29,276.82 : x
  2. Step 2: Convert to fraction form
    91,623.06/137,425.95 = 29,276.82/x
  3. Step 3: Cross multiply
    91,623.06x = 137,425.95 × 29,276.82
  4. Step 4: Simplify right side
    91,623.06x = 4,023,394,801.48
  5. Step 5: Solve for x
    x = 4,023,394,801.48/91,623.06
  6. Step 6: Final answer
    x = 43,912.47

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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.