Home / 87,027.34-130,550.12-37,112.71

Finding the Fourth Proportional to 87,027.34, 130,550.12 and 37,112.71

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Solution

The fourth proportional to 87,027.34, 130,550.12 and 37,112.71 is: 55,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,027.34 : 130,550.12 = 37,112.71 : x
  2. Step 2: Convert to fraction form
    87,027.34/130,550.12 = 37,112.71/x
  3. Step 3: Cross multiply
    87,027.34x = 130,550.12 × 37,112.71
  4. Step 4: Simplify right side
    87,027.34x = 4,845,067,905.71
  5. Step 5: Solve for x
    x = 4,845,067,905.71/87,027.34
  6. Step 6: Final answer
    x = 55,672.94

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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.