Home / 87,176.16-120,301.38-48,936.60

Finding the Fourth Proportional to 87,176.16, 120,301.38 and 48,936.60

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Solution

The fourth proportional to 87,176.16, 120,301.38 and 48,936.60 is: 67,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176.16 : 120,301.38 = 48,936.60 : x
  2. Step 2: Convert to fraction form
    87,176.16/120,301.38 = 48,936.60/x
  3. Step 3: Cross multiply
    87,176.16x = 120,301.38 × 48,936.60
  4. Step 4: Simplify right side
    87,176.16x = 5,887,140,512.51
  5. Step 5: Solve for x
    x = 5,887,140,512.51/87,176.16
  6. Step 6: Final answer
    x = 67,531.54

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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.