Home / 87,794.58-121,156.92-47,508.60

Finding the Fourth Proportional to 87,794.58, 121,156.92 and 47,508.60

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Solution

The fourth proportional to 87,794.58, 121,156.92 and 47,508.60 is: 65,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,794.58 : 121,156.92 = 47,508.60 : x
  2. Step 2: Convert to fraction form
    87,794.58/121,156.92 = 47,508.60/x
  3. Step 3: Cross multiply
    87,794.58x = 121,156.92 × 47,508.60
  4. Step 4: Simplify right side
    87,794.58x = 5,755,995,649.51
  5. Step 5: Solve for x
    x = 5,755,995,649.51/87,794.58
  6. Step 6: Final answer
    x = 65,562.08

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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.