Home / 91,728.84-137,584.02-25,175.67

Finding the Fourth Proportional to 91,728.84, 137,584.02 and 25,175.67

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Solution

The fourth proportional to 91,728.84, 137,584.02 and 25,175.67 is: 37,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,728.84 : 137,584.02 = 25,175.67 : x
  2. Step 2: Convert to fraction form
    91,728.84/137,584.02 = 25,175.67/x
  3. Step 3: Cross multiply
    91,728.84x = 137,584.02 × 25,175.67
  4. Step 4: Simplify right side
    91,728.84x = 3,463,769,884.79
  5. Step 5: Solve for x
    x = 3,463,769,884.79/91,728.84
  6. Step 6: Final answer
    x = 37,760.97

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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.