Home / 62,220.72-85,872.96-39,561.96

Finding the Fourth Proportional to 62,220.72, 85,872.96 and 39,561.96

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Solution

The fourth proportional to 62,220.72, 85,872.96 and 39,561.96 is: 54,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,220.72 : 85,872.96 = 39,561.96 : x
  2. Step 2: Convert to fraction form
    62,220.72/85,872.96 = 39,561.96/x
  3. Step 3: Cross multiply
    62,220.72x = 85,872.96 × 39,561.96
  4. Step 4: Simplify right side
    62,220.72x = 3,397,302,608.60
  5. Step 5: Solve for x
    x = 3,397,302,608.60/62,220.72
  6. Step 6: Final answer
    x = 54,600.82

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1.5x scale

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.