Home / 87,448.10-131,184.36-43,075.22

Finding the Fourth Proportional to 87,448.10, 131,184.36 and 43,075.22

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Solution

The fourth proportional to 87,448.10, 131,184.36 and 43,075.22 is: 64,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448.10 : 131,184.36 = 43,075.22 : x
  2. Step 2: Convert to fraction form
    87,448.10/131,184.36 = 43,075.22/x
  3. Step 3: Cross multiply
    87,448.10x = 131,184.36 × 43,075.22
  4. Step 4: Simplify right side
    87,448.10x = 5,650,795,167.56
  5. Step 5: Solve for x
    x = 5,650,795,167.56/87,448.10
  6. Step 6: Final answer
    x = 64,618.84

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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.