Home / 84,287.72-116,222.82-68,926.52

Finding the Fourth Proportional to 84,287.72, 116,222.82 and 68,926.52

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Solution

The fourth proportional to 84,287.72, 116,222.82 and 68,926.52 is: 95,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287.72 : 116,222.82 = 68,926.52 : x
  2. Step 2: Convert to fraction form
    84,287.72/116,222.82 = 68,926.52/x
  3. Step 3: Cross multiply
    84,287.72x = 116,222.82 × 68,926.52
  4. Step 4: Simplify right side
    84,287.72x = 8,010,834,527.19
  5. Step 5: Solve for x
    x = 8,010,834,527.19/84,287.72
  6. Step 6: Final answer
    x = 95,041.54

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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.