Home / 55,631.76-83,451.06-18,195.79

Finding the Fourth Proportional to 55,631.76, 83,451.06 and 18,195.79

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Solution

The fourth proportional to 55,631.76, 83,451.06 and 18,195.79 is: 27,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.76 : 83,451.06 = 18,195.79 : x
  2. Step 2: Convert to fraction form
    55,631.76/83,451.06 = 18,195.79/x
  3. Step 3: Cross multiply
    55,631.76x = 83,451.06 × 18,195.79
  4. Step 4: Simplify right side
    55,631.76x = 1,518,457,910.88
  5. Step 5: Solve for x
    x = 1,518,457,910.88/55,631.76
  6. Step 6: Final answer
    x = 27,294.80

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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.