Home / 58,815.28-81,169.20-33,321.44

Finding the Fourth Proportional to 58,815.28, 81,169.20 and 33,321.44

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Solution

The fourth proportional to 58,815.28, 81,169.20 and 33,321.44 is: 45,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,815.28 : 81,169.20 = 33,321.44 : x
  2. Step 2: Convert to fraction form
    58,815.28/81,169.20 = 33,321.44/x
  3. Step 3: Cross multiply
    58,815.28x = 81,169.20 × 33,321.44
  4. Step 4: Simplify right side
    58,815.28x = 2,704,674,627.65
  5. Step 5: Solve for x
    x = 2,704,674,627.65/58,815.28
  6. Step 6: Final answer
    x = 45,985.92

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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.