Home / 52,524.05-78,749.18-19,239.80

Finding the Fourth Proportional to 52,524.05, 78,749.18 and 19,239.80

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Solution

The fourth proportional to 52,524.05, 78,749.18 and 19,239.80 is: 28,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,524.05 : 78,749.18 = 19,239.80 : x
  2. Step 2: Convert to fraction form
    52,524.05/78,749.18 = 19,239.80/x
  3. Step 3: Cross multiply
    52,524.05x = 78,749.18 × 19,239.80
  4. Step 4: Simplify right side
    52,524.05x = 1,515,117,983.42
  5. Step 5: Solve for x
    x = 1,515,117,983.42/52,524.05
  6. Step 6: Final answer
    x = 28,846.18

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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.