Home / 91,975.50-137,963.25-36,610.38

Finding the Fourth Proportional to 91,975.50, 137,963.25 and 36,610.38

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Solution

The fourth proportional to 91,975.50, 137,963.25 and 36,610.38 is: 54,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,975.50 : 137,963.25 = 36,610.38 : x
  2. Step 2: Convert to fraction form
    91,975.50/137,963.25 = 36,610.38/x
  3. Step 3: Cross multiply
    91,975.50x = 137,963.25 × 36,610.38
  4. Step 4: Simplify right side
    91,975.50x = 5,050,887,008.54
  5. Step 5: Solve for x
    x = 5,050,887,008.54/91,975.50
  6. Step 6: Final answer
    x = 54,915.57

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1.5x scale

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.