Home / 87,027.45-130,550.30-37,112.82

Finding the Fourth Proportional to 87,027.45, 130,550.30 and 37,112.82

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Solution

The fourth proportional to 87,027.45, 130,550.30 and 37,112.82 is: 55,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,027.45 : 130,550.30 = 37,112.82 : x
  2. Step 2: Convert to fraction form
    87,027.45/130,550.30 = 37,112.82/x
  3. Step 3: Cross multiply
    87,027.45x = 130,550.30 × 37,112.82
  4. Step 4: Simplify right side
    87,027.45x = 4,845,089,599.28
  5. Step 5: Solve for x
    x = 4,845,089,599.28/87,027.45
  6. Step 6: Final answer
    x = 55,673.12

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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.