Home / 52,843.39-72,923.49-28,969.65

Finding the Fourth Proportional to 52,843.39, 72,923.49 and 28,969.65

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Solution

The fourth proportional to 52,843.39, 72,923.49 and 28,969.65 is: 39,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,843.39 : 72,923.49 = 28,969.65 : x
  2. Step 2: Convert to fraction form
    52,843.39/72,923.49 = 28,969.65/x
  3. Step 3: Cross multiply
    52,843.39x = 72,923.49 × 28,969.65
  4. Step 4: Simplify right side
    52,843.39x = 2,112,567,982.08
  5. Step 5: Solve for x
    x = 2,112,567,982.08/52,843.39
  6. Step 6: Final answer
    x = 39,977.91

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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.