Home / 82,668.21-113,976.49-53,545.17

Finding the Fourth Proportional to 82,668.21, 113,976.49 and 53,545.17

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Solution

The fourth proportional to 82,668.21, 113,976.49 and 53,545.17 is: 73,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,668.21 : 113,976.49 = 53,545.17 : x
  2. Step 2: Convert to fraction form
    82,668.21/113,976.49 = 53,545.17/x
  3. Step 3: Cross multiply
    82,668.21x = 113,976.49 × 53,545.17
  4. Step 4: Simplify right side
    82,668.21x = 6,102,890,533.05
  5. Step 5: Solve for x
    x = 6,102,890,533.05/82,668.21
  6. Step 6: Final answer
    x = 73,823.91

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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.