Home / 54,918.28-75,747.16-34,778.44

Finding the Fourth Proportional to 54,918.28, 75,747.16 and 34,778.44

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Solution

The fourth proportional to 54,918.28, 75,747.16 and 34,778.44 is: 47,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918.28 : 75,747.16 = 34,778.44 : x
  2. Step 2: Convert to fraction form
    54,918.28/75,747.16 = 34,778.44/x
  3. Step 3: Cross multiply
    54,918.28x = 75,747.16 × 34,778.44
  4. Step 4: Simplify right side
    54,918.28x = 2,634,368,059.23
  5. Step 5: Solve for x
    x = 2,634,368,059.23/54,918.28
  6. Step 6: Final answer
    x = 47,968.87

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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.