Home / 87,250.30-120,405.99-49,525.18

Finding the Fourth Proportional to 87,250.30, 120,405.99 and 49,525.18

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Solution

The fourth proportional to 87,250.30, 120,405.99 and 49,525.18 is: 68,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,250.30 : 120,405.99 = 49,525.18 : x
  2. Step 2: Convert to fraction form
    87,250.30/120,405.99 = 49,525.18/x
  3. Step 3: Cross multiply
    87,250.30x = 120,405.99 × 49,525.18
  4. Step 4: Simplify right side
    87,250.30x = 5,963,128,327.83
  5. Step 5: Solve for x
    x = 5,963,128,327.83/87,250.30
  6. Step 6: Final answer
    x = 68,345.08

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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.