Home / 89,326.14-133,930.89-35,982.78

Finding the Fourth Proportional to 89,326.14, 133,930.89 and 35,982.78

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Solution

The fourth proportional to 89,326.14, 133,930.89 and 35,982.78 is: 53,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,326.14 : 133,930.89 = 35,982.78 : x
  2. Step 2: Convert to fraction form
    89,326.14/133,930.89 = 35,982.78/x
  3. Step 3: Cross multiply
    89,326.14x = 133,930.89 × 35,982.78
  4. Step 4: Simplify right side
    89,326.14x = 4,819,205,750.07
  5. Step 5: Solve for x
    x = 4,819,205,750.07/89,326.14
  6. Step 6: Final answer
    x = 53,950.68

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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.