Home / 91,292.33-137,051.26-43,306.82

Finding the Fourth Proportional to 91,292.33, 137,051.26 and 43,306.82

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Solution

The fourth proportional to 91,292.33, 137,051.26 and 43,306.82 is: 65,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,292.33 : 137,051.26 = 43,306.82 : x
  2. Step 2: Convert to fraction form
    91,292.33/137,051.26 = 43,306.82/x
  3. Step 3: Cross multiply
    91,292.33x = 137,051.26 × 43,306.82
  4. Step 4: Simplify right side
    91,292.33x = 5,935,253,968.01
  5. Step 5: Solve for x
    x = 5,935,253,968.01/91,292.33
  6. Step 6: Final answer
    x = 65,013.72

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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.