Home / 87,020.46-130,539.80-37,105.83

Finding the Fourth Proportional to 87,020.46, 130,539.80 and 37,105.83

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Solution

The fourth proportional to 87,020.46, 130,539.80 and 37,105.83 is: 55,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,020.46 : 130,539.80 = 37,105.83 : x
  2. Step 2: Convert to fraction form
    87,020.46/130,539.80 = 37,105.83/x
  3. Step 3: Cross multiply
    87,020.46x = 130,539.80 × 37,105.83
  4. Step 4: Simplify right side
    87,020.46x = 4,843,787,719.80
  5. Step 5: Solve for x
    x = 4,843,787,719.80/87,020.46
  6. Step 6: Final answer
    x = 55,662.63

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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.