Home / 87,747.37-121,091.22-47,461.01

Finding the Fourth Proportional to 87,747.37, 121,091.22 and 47,461.01

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Solution

The fourth proportional to 87,747.37, 121,091.22 and 47,461.01 is: 65,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,747.37 : 121,091.22 = 47,461.01 : x
  2. Step 2: Convert to fraction form
    87,747.37/121,091.22 = 47,461.01/x
  3. Step 3: Cross multiply
    87,747.37x = 121,091.22 × 47,461.01
  4. Step 4: Simplify right side
    87,747.37x = 5,747,110,997.88
  5. Step 5: Solve for x
    x = 5,747,110,997.88/87,747.37
  6. Step 6: Final answer
    x = 65,496.11

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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.