Home / 55,507.25-83,288.21-25,920.78

Finding the Fourth Proportional to 55,507.25, 83,288.21 and 25,920.78

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Solution

The fourth proportional to 55,507.25, 83,288.21 and 25,920.78 is: 38,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.25 : 83,288.21 = 25,920.78 : x
  2. Step 2: Convert to fraction form
    55,507.25/83,288.21 = 25,920.78/x
  3. Step 3: Cross multiply
    55,507.25x = 83,288.21 × 25,920.78
  4. Step 4: Simplify right side
    55,507.25x = 2,158,895,696.54
  5. Step 5: Solve for x
    x = 2,158,895,696.54/55,507.25
  6. Step 6: Final answer
    x = 38,893.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.