Home / 87,566.16-120,847.43-49,840.41

Finding the Fourth Proportional to 87,566.16, 120,847.43 and 49,840.41

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Solution

The fourth proportional to 87,566.16, 120,847.43 and 49,840.41 is: 68,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566.16 : 120,847.43 = 49,840.41 : x
  2. Step 2: Convert to fraction form
    87,566.16/120,847.43 = 49,840.41/x
  3. Step 3: Cross multiply
    87,566.16x = 120,847.43 × 49,840.41
  4. Step 4: Simplify right side
    87,566.16x = 6,023,085,458.65
  5. Step 5: Solve for x
    x = 6,023,085,458.65/87,566.16
  6. Step 6: Final answer
    x = 68,783.25

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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.