Home / 91,368.82-136,961.19-38,090.27

Finding the Fourth Proportional to 91,368.82, 136,961.19 and 38,090.27

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Solution

The fourth proportional to 91,368.82, 136,961.19 and 38,090.27 is: 57,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,368.82 : 136,961.19 = 38,090.27 : x
  2. Step 2: Convert to fraction form
    91,368.82/136,961.19 = 38,090.27/x
  3. Step 3: Cross multiply
    91,368.82x = 136,961.19 × 38,090.27
  4. Step 4: Simplify right side
    91,368.82x = 5,216,889,049.02
  5. Step 5: Solve for x
    x = 5,216,889,049.02/91,368.82
  6. Step 6: Final answer
    x = 57,097.04

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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.