Home / 52,524.90-78,737.52-20,954.37

Finding the Fourth Proportional to 52,524.90, 78,737.52 and 20,954.37

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Solution

The fourth proportional to 52,524.90, 78,737.52 and 20,954.37 is: 31,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,524.90 : 78,737.52 = 20,954.37 : x
  2. Step 2: Convert to fraction form
    52,524.90/78,737.52 = 20,954.37/x
  3. Step 3: Cross multiply
    52,524.90x = 78,737.52 × 20,954.37
  4. Step 4: Simplify right side
    52,524.90x = 1,649,895,126.96
  5. Step 5: Solve for x
    x = 1,649,895,126.96/52,524.90
  6. Step 6: Final answer
    x = 31,411.68

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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.