Home / 87,326.27-130,879.81-37,347.60

Finding the Fourth Proportional to 87,326.27, 130,879.81 and 37,347.60

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Solution

The fourth proportional to 87,326.27, 130,879.81 and 37,347.60 is: 55,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,326.27 : 130,879.81 = 37,347.60 : x
  2. Step 2: Convert to fraction form
    87,326.27/130,879.81 = 37,347.60/x
  3. Step 3: Cross multiply
    87,326.27x = 130,879.81 × 37,347.60
  4. Step 4: Simplify right side
    87,326.27x = 4,888,047,119.36
  5. Step 5: Solve for x
    x = 4,888,047,119.36/87,326.27
  6. Step 6: Final answer
    x = 55,974.53

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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.