Home / 62,218.50-85,861.53-39,863.94

Finding the Fourth Proportional to 62,218.50, 85,861.53 and 39,863.94

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Solution

The fourth proportional to 62,218.50, 85,861.53 and 39,863.94 is: 55,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,218.50 : 85,861.53 = 39,863.94 : x
  2. Step 2: Convert to fraction form
    62,218.50/85,861.53 = 39,863.94/x
  3. Step 3: Cross multiply
    62,218.50x = 85,861.53 × 39,863.94
  4. Step 4: Simplify right side
    62,218.50x = 3,422,778,880.23
  5. Step 5: Solve for x
    x = 3,422,778,880.23/62,218.50
  6. Step 6: Final answer
    x = 55,012.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.