Home / 69,363.98-95,717.77-39,145.19

Finding the Fourth Proportional to 69,363.98, 95,717.77 and 39,145.19

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Solution

The fourth proportional to 69,363.98, 95,717.77 and 39,145.19 is: 54,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363.98 : 95,717.77 = 39,145.19 : x
  2. Step 2: Convert to fraction form
    69,363.98/95,717.77 = 39,145.19/x
  3. Step 3: Cross multiply
    69,363.98x = 95,717.77 × 39,145.19
  4. Step 4: Simplify right side
    69,363.98x = 3,746,890,601.39
  5. Step 5: Solve for x
    x = 3,746,890,601.39/69,363.98
  6. Step 6: Final answer
    x = 54,017.81

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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.