Home / 132,672.96-199,008.99-53,787

Finding the Fourth Proportional to 132,672.96, 199,008.99 and 53,787

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Solution

The fourth proportional to 132,672.96, 199,008.99 and 53,787 is: 80,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,672.96 : 199,008.99 = 53,787 : x
  2. Step 2: Convert to fraction form
    132,672.96/199,008.99 = 53,787/x
  3. Step 3: Cross multiply
    132,672.96x = 199,008.99 × 53,787
  4. Step 4: Simplify right side
    132,672.96x = 10,704,096,545.13
  5. Step 5: Solve for x
    x = 10,704,096,545.13/132,672.96
  6. Step 6: Final answer
    x = 80,680.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.