Home / 69,523.97-95,942.50-39,315.22

Finding the Fourth Proportional to 69,523.97, 95,942.50 and 39,315.22

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Solution

The fourth proportional to 69,523.97, 95,942.50 and 39,315.22 is: 54,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,523.97 : 95,942.50 = 39,315.22 : x
  2. Step 2: Convert to fraction form
    69,523.97/95,942.50 = 39,315.22/x
  3. Step 3: Cross multiply
    69,523.97x = 95,942.50 × 39,315.22
  4. Step 4: Simplify right side
    69,523.97x = 3,772,000,806.96
  5. Step 5: Solve for x
    x = 3,772,000,806.96/69,523.97
  6. Step 6: Final answer
    x = 54,254.68

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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.