Home / 87,701.16-120,998.94-53,674.20

Finding the Fourth Proportional to 87,701.16, 120,998.94 and 53,674.20

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Solution

The fourth proportional to 87,701.16, 120,998.94 and 53,674.20 is: 74,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,701.16 : 120,998.94 = 53,674.20 : x
  2. Step 2: Convert to fraction form
    87,701.16/120,998.94 = 53,674.20/x
  3. Step 3: Cross multiply
    87,701.16x = 120,998.94 × 53,674.20
  4. Step 4: Simplify right side
    87,701.16x = 6,494,521,305.35
  5. Step 5: Solve for x
    x = 6,494,521,305.35/87,701.16
  6. Step 6: Final answer
    x = 74,052.86

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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.