Home / 91,516.67-137,242.84-27,455.72

Finding the Fourth Proportional to 91,516.67, 137,242.84 and 27,455.72

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Solution

The fourth proportional to 91,516.67, 137,242.84 and 27,455.72 is: 41,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.67 : 137,242.84 = 27,455.72 : x
  2. Step 2: Convert to fraction form
    91,516.67/137,242.84 = 27,455.72/x
  3. Step 3: Cross multiply
    91,516.67x = 137,242.84 × 27,455.72
  4. Step 4: Simplify right side
    91,516.67x = 3,768,100,283.67
  5. Step 5: Solve for x
    x = 3,768,100,283.67/91,516.67
  6. Step 6: Final answer
    x = 41,173.92

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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.