Home / 56,819.92-85,167.96-21,744.40

Finding the Fourth Proportional to 56,819.92, 85,167.96 and 21,744.40

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Solution

The fourth proportional to 56,819.92, 85,167.96 and 21,744.40 is: 32,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,819.92 : 85,167.96 = 21,744.40 : x
  2. Step 2: Convert to fraction form
    56,819.92/85,167.96 = 21,744.40/x
  3. Step 3: Cross multiply
    56,819.92x = 85,167.96 × 21,744.40
  4. Step 4: Simplify right side
    56,819.92x = 1,851,926,189.42
  5. Step 5: Solve for x
    x = 1,851,926,189.42/56,819.92
  6. Step 6: Final answer
    x = 32,592.90

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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.