Home / 91,541.10-137,369.97-38,950.50

Finding the Fourth Proportional to 91,541.10, 137,369.97 and 38,950.50

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Solution

The fourth proportional to 91,541.10, 137,369.97 and 38,950.50 is: 58,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,541.10 : 137,369.97 = 38,950.50 : x
  2. Step 2: Convert to fraction form
    91,541.10/137,369.97 = 38,950.50/x
  3. Step 3: Cross multiply
    91,541.10x = 137,369.97 × 38,950.50
  4. Step 4: Simplify right side
    91,541.10x = 5,350,629,016.49
  5. Step 5: Solve for x
    x = 5,350,629,016.49/91,541.10
  6. Step 6: Final answer
    x = 58,450.57

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