Home / 84,860.84-127,230.66-39,857.06

Finding the Fourth Proportional to 84,860.84, 127,230.66 and 39,857.06

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Solution

The fourth proportional to 84,860.84, 127,230.66 and 39,857.06 is: 59,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.84 : 127,230.66 = 39,857.06 : x
  2. Step 2: Convert to fraction form
    84,860.84/127,230.66 = 39,857.06/x
  3. Step 3: Cross multiply
    84,860.84x = 127,230.66 × 39,857.06
  4. Step 4: Simplify right side
    84,860.84x = 5,071,040,049.46
  5. Step 5: Solve for x
    x = 5,071,040,049.46/84,860.84
  6. Step 6: Final answer
    x = 59,757.13

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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.