Home / 91,426.82-137,090.92-41,479.66

Finding the Fourth Proportional to 91,426.82, 137,090.92 and 41,479.66

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Solution

The fourth proportional to 91,426.82, 137,090.92 and 41,479.66 is: 62,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,426.82 : 137,090.92 = 41,479.66 : x
  2. Step 2: Convert to fraction form
    91,426.82/137,090.92 = 41,479.66/x
  3. Step 3: Cross multiply
    91,426.82x = 137,090.92 × 41,479.66
  4. Step 4: Simplify right side
    91,426.82x = 5,686,484,750.69
  5. Step 5: Solve for x
    x = 5,686,484,750.69/91,426.82
  6. Step 6: Final answer
    x = 62,197.12

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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.