Home / 62,823.83-86,717.09-40,223.69

Finding the Fourth Proportional to 62,823.83, 86,717.09 and 40,223.69

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Solution

The fourth proportional to 62,823.83, 86,717.09 and 40,223.69 is: 55,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,823.83 : 86,717.09 = 40,223.69 : x
  2. Step 2: Convert to fraction form
    62,823.83/86,717.09 = 40,223.69/x
  3. Step 3: Cross multiply
    62,823.83x = 86,717.09 × 40,223.69
  4. Step 4: Simplify right side
    62,823.83x = 3,488,080,711.16
  5. Step 5: Solve for x
    x = 3,488,080,711.16/62,823.83
  6. Step 6: Final answer
    x = 55,521.62

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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.