Home / 48,522.96-72,778.68-20,800.08

Finding the Fourth Proportional to 48,522.96, 72,778.68 and 20,800.08

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Solution

The fourth proportional to 48,522.96, 72,778.68 and 20,800.08 is: 31,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,522.96 : 72,778.68 = 20,800.08 : x
  2. Step 2: Convert to fraction form
    48,522.96/72,778.68 = 20,800.08/x
  3. Step 3: Cross multiply
    48,522.96x = 72,778.68 × 20,800.08
  4. Step 4: Simplify right side
    48,522.96x = 1,513,802,366.29
  5. Step 5: Solve for x
    x = 1,513,802,366.29/48,522.96
  6. Step 6: Final answer
    x = 31,197.65

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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.