Home / 91,912.38-137,833.02-35,744.90

Finding the Fourth Proportional to 91,912.38, 137,833.02 and 35,744.90

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Solution

The fourth proportional to 91,912.38, 137,833.02 and 35,744.90 is: 53,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,912.38 : 137,833.02 = 35,744.90 : x
  2. Step 2: Convert to fraction form
    91,912.38/137,833.02 = 35,744.90/x
  3. Step 3: Cross multiply
    91,912.38x = 137,833.02 × 35,744.90
  4. Step 4: Simplify right side
    91,912.38x = 4,926,827,516.60
  5. Step 5: Solve for x
    x = 4,926,827,516.60/91,912.38
  6. Step 6: Final answer
    x = 53,603.52

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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.