Home / 87,075.90-120,163.41-48,835.44

Finding the Fourth Proportional to 87,075.90, 120,163.41 and 48,835.44

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Solution

The fourth proportional to 87,075.90, 120,163.41 and 48,835.44 is: 67,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,075.90 : 120,163.41 = 48,835.44 : x
  2. Step 2: Convert to fraction form
    87,075.90/120,163.41 = 48,835.44/x
  3. Step 3: Cross multiply
    87,075.90x = 120,163.41 × 48,835.44
  4. Step 4: Simplify right side
    87,075.90x = 5,868,232,999.25
  5. Step 5: Solve for x
    x = 5,868,232,999.25/87,075.90
  6. Step 6: Final answer
    x = 67,392.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.