Home / 53,382.09-73,454.80-51,758.85

Finding the Fourth Proportional to 53,382.09, 73,454.80 and 51,758.85

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Solution

The fourth proportional to 53,382.09, 73,454.80 and 51,758.85 is: 71,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,382.09 : 73,454.80 = 51,758.85 : x
  2. Step 2: Convert to fraction form
    53,382.09/73,454.80 = 51,758.85/x
  3. Step 3: Cross multiply
    53,382.09x = 73,454.80 × 51,758.85
  4. Step 4: Simplify right side
    53,382.09x = 3,801,935,974.98
  5. Step 5: Solve for x
    x = 3,801,935,974.98/53,382.09
  6. Step 6: Final answer
    x = 71,221.19

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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.