Home / 87,674.44-120,998.10-53,682.76

Finding the Fourth Proportional to 87,674.44, 120,998.10 and 53,682.76

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Solution

The fourth proportional to 87,674.44, 120,998.10 and 53,682.76 is: 74,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,674.44 : 120,998.10 = 53,682.76 : x
  2. Step 2: Convert to fraction form
    87,674.44/120,998.10 = 53,682.76/x
  3. Step 3: Cross multiply
    87,674.44x = 120,998.10 × 53,682.76
  4. Step 4: Simplify right side
    87,674.44x = 6,495,511,962.76
  5. Step 5: Solve for x
    x = 6,495,511,962.76/87,674.44
  6. Step 6: Final answer
    x = 74,086.72

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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.