Home / 58,081.92-87,080.40-18,616.56

Finding the Fourth Proportional to 58,081.92, 87,080.40 and 18,616.56

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Solution

The fourth proportional to 58,081.92, 87,080.40 and 18,616.56 is: 27,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,081.92 : 87,080.40 = 18,616.56 : x
  2. Step 2: Convert to fraction form
    58,081.92/87,080.40 = 18,616.56/x
  3. Step 3: Cross multiply
    58,081.92x = 87,080.40 × 18,616.56
  4. Step 4: Simplify right side
    58,081.92x = 1,621,137,491.42
  5. Step 5: Solve for x
    x = 1,621,137,491.42/58,081.92
  6. Step 6: Final answer
    x = 27,911.22

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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.