Home / 81,823.04-122,586.24-37,486.88

Finding the Fourth Proportional to 81,823.04, 122,586.24 and 37,486.88

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Solution

The fourth proportional to 81,823.04, 122,586.24 and 37,486.88 is: 56,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823.04 : 122,586.24 = 37,486.88 : x
  2. Step 2: Convert to fraction form
    81,823.04/122,586.24 = 37,486.88/x
  3. Step 3: Cross multiply
    81,823.04x = 122,586.24 × 37,486.88
  4. Step 4: Simplify right side
    81,823.04x = 4,595,375,668.53
  5. Step 5: Solve for x
    x = 4,595,375,668.53/81,823.04
  6. Step 6: Final answer
    x = 56,162.37

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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.