Home / 87,194.88-120,298.01-56,997.63

Finding the Fourth Proportional to 87,194.88, 120,298.01 and 56,997.63

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Solution

The fourth proportional to 87,194.88, 120,298.01 and 56,997.63 is: 78,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.88 : 120,298.01 = 56,997.63 : x
  2. Step 2: Convert to fraction form
    87,194.88/120,298.01 = 56,997.63/x
  3. Step 3: Cross multiply
    87,194.88x = 120,298.01 × 56,997.63
  4. Step 4: Simplify right side
    87,194.88x = 6,856,701,178.73
  5. Step 5: Solve for x
    x = 6,856,701,178.73/87,194.88
  6. Step 6: Final answer
    x = 78,636.51

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1.5x scale

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.