Home / 87,195.24-120,298.56-56,997.96

Finding the Fourth Proportional to 87,195.24, 120,298.56 and 56,997.96

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Solution

The fourth proportional to 87,195.24, 120,298.56 and 56,997.96 is: 78,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.24 : 120,298.56 = 56,997.96 : x
  2. Step 2: Convert to fraction form
    87,195.24/120,298.56 = 56,997.96/x
  3. Step 3: Cross multiply
    87,195.24x = 120,298.56 × 56,997.96
  4. Step 4: Simplify right side
    87,195.24x = 6,856,772,510.94
  5. Step 5: Solve for x
    x = 6,856,772,510.94/87,195.24
  6. Step 6: Final answer
    x = 78,637.00

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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.