Home / 91,342.12-137,090.94-35,977

Finding the Fourth Proportional to 91,342.12, 137,090.94 and 35,977

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Solution

The fourth proportional to 91,342.12, 137,090.94 and 35,977 is: 53,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,342.12 : 137,090.94 = 35,977 : x
  2. Step 2: Convert to fraction form
    91,342.12/137,090.94 = 35,977/x
  3. Step 3: Cross multiply
    91,342.12x = 137,090.94 × 35,977
  4. Step 4: Simplify right side
    91,342.12x = 4,932,120,748.38
  5. Step 5: Solve for x
    x = 4,932,120,748.38/91,342.12
  6. Step 6: Final answer
    x = 53,996.13

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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.