Home / 54,778.36-75,593.54-30,912.76

Finding the Fourth Proportional to 54,778.36, 75,593.54 and 30,912.76

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Solution

The fourth proportional to 54,778.36, 75,593.54 and 30,912.76 is: 42,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.36 : 75,593.54 = 30,912.76 : x
  2. Step 2: Convert to fraction form
    54,778.36/75,593.54 = 30,912.76/x
  3. Step 3: Cross multiply
    54,778.36x = 75,593.54 × 30,912.76
  4. Step 4: Simplify right side
    54,778.36x = 2,336,804,959.57
  5. Step 5: Solve for x
    x = 2,336,804,959.57/54,778.36
  6. Step 6: Final answer
    x = 42,659.27

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Double scale
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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.