Home / 52,499.46-78,781.90-21,334.70

Finding the Fourth Proportional to 52,499.46, 78,781.90 and 21,334.70

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Solution

The fourth proportional to 52,499.46, 78,781.90 and 21,334.70 is: 32,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,499.46 : 78,781.90 = 21,334.70 : x
  2. Step 2: Convert to fraction form
    52,499.46/78,781.90 = 21,334.70/x
  3. Step 3: Cross multiply
    52,499.46x = 78,781.90 × 21,334.70
  4. Step 4: Simplify right side
    52,499.46x = 1,680,788,201.93
  5. Step 5: Solve for x
    x = 1,680,788,201.93/52,499.46
  6. Step 6: Final answer
    x = 32,015.34

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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.