Home / 87,564.86-120,817.20-53,560.92

Finding the Fourth Proportional to 87,564.86, 120,817.20 and 53,560.92

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Solution

The fourth proportional to 87,564.86, 120,817.20 and 53,560.92 is: 73,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,564.86 : 120,817.20 = 53,560.92 : x
  2. Step 2: Convert to fraction form
    87,564.86/120,817.20 = 53,560.92/x
  3. Step 3: Cross multiply
    87,564.86x = 120,817.20 × 53,560.92
  4. Step 4: Simplify right side
    87,564.86x = 6,471,080,383.82
  5. Step 5: Solve for x
    x = 6,471,080,383.82/87,564.86
  6. Step 6: Final answer
    x = 73,900.43

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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.