Home / 83,684.14-115,506.03-51,834.94

Finding the Fourth Proportional to 83,684.14, 115,506.03 and 51,834.94

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Solution

The fourth proportional to 83,684.14, 115,506.03 and 51,834.94 is: 71,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,684.14 : 115,506.03 = 51,834.94 : x
  2. Step 2: Convert to fraction form
    83,684.14/115,506.03 = 51,834.94/x
  3. Step 3: Cross multiply
    83,684.14x = 115,506.03 × 51,834.94
  4. Step 4: Simplify right side
    83,684.14x = 5,987,248,134.69
  5. Step 5: Solve for x
    x = 5,987,248,134.69/83,684.14
  6. Step 6: Final answer
    x = 71,545.79

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1.5x scale

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.