Home / 52,213.86-78,320.79-49,983.12

Finding the Fourth Proportional to 52,213.86, 78,320.79 and 49,983.12

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Solution

The fourth proportional to 52,213.86, 78,320.79 and 49,983.12 is: 74,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.86 : 78,320.79 = 49,983.12 : x
  2. Step 2: Convert to fraction form
    52,213.86/78,320.79 = 49,983.12/x
  3. Step 3: Cross multiply
    52,213.86x = 78,320.79 × 49,983.12
  4. Step 4: Simplify right side
    52,213.86x = 3,914,717,445.06
  5. Step 5: Solve for x
    x = 3,914,717,445.06/52,213.86
  6. Step 6: Final answer
    x = 74,974.68

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Similar ratio
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1.5x scale

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.