Home / 84,237.84-126,357.17-34,318.42

Finding the Fourth Proportional to 84,237.84, 126,357.17 and 34,318.42

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Solution

The fourth proportional to 84,237.84, 126,357.17 and 34,318.42 is: 51,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,237.84 : 126,357.17 = 34,318.42 : x
  2. Step 2: Convert to fraction form
    84,237.84/126,357.17 = 34,318.42/x
  3. Step 3: Cross multiply
    84,237.84x = 126,357.17 × 34,318.42
  4. Step 4: Simplify right side
    84,237.84x = 4,336,377,942.59
  5. Step 5: Solve for x
    x = 4,336,377,942.59/84,237.84
  6. Step 6: Final answer
    x = 51,477.79

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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.