Home / 68,938.49-95,135.16-38,723.82

Finding the Fourth Proportional to 68,938.49, 95,135.16 and 38,723.82

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Solution

The fourth proportional to 68,938.49, 95,135.16 and 38,723.82 is: 53,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,938.49 : 95,135.16 = 38,723.82 : x
  2. Step 2: Convert to fraction form
    68,938.49/95,135.16 = 38,723.82/x
  3. Step 3: Cross multiply
    68,938.49x = 95,135.16 × 38,723.82
  4. Step 4: Simplify right side
    68,938.49x = 3,683,996,811.51
  5. Step 5: Solve for x
    x = 3,683,996,811.51/68,938.49
  6. Step 6: Final answer
    x = 53,438.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.