Home / 55,314.70-82,972.05-36,615.85

Finding the Fourth Proportional to 55,314.70, 82,972.05 and 36,615.85

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Solution

The fourth proportional to 55,314.70, 82,972.05 and 36,615.85 is: 54,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314.70 : 82,972.05 = 36,615.85 : x
  2. Step 2: Convert to fraction form
    55,314.70/82,972.05 = 36,615.85/x
  3. Step 3: Cross multiply
    55,314.70x = 82,972.05 × 36,615.85
  4. Step 4: Simplify right side
    55,314.70x = 3,038,092,136.99
  5. Step 5: Solve for x
    x = 3,038,092,136.99/55,314.70
  6. Step 6: Final answer
    x = 54,923.78

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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.