Home / 69,891.18-96,450.75-39,674.22

Finding the Fourth Proportional to 69,891.18, 96,450.75 and 39,674.22

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Solution

The fourth proportional to 69,891.18, 96,450.75 and 39,674.22 is: 54,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,891.18 : 96,450.75 = 39,674.22 : x
  2. Step 2: Convert to fraction form
    69,891.18/96,450.75 = 39,674.22/x
  3. Step 3: Cross multiply
    69,891.18x = 96,450.75 × 39,674.22
  4. Step 4: Simplify right side
    69,891.18x = 3,826,608,274.67
  5. Step 5: Solve for x
    x = 3,826,608,274.67/69,891.18
  6. Step 6: Final answer
    x = 54,750.95

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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.