Home / 54,911.08-75,777.12-29,760.64

Finding the Fourth Proportional to 54,911.08, 75,777.12 and 29,760.64

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Solution

The fourth proportional to 54,911.08, 75,777.12 and 29,760.64 is: 41,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.08 : 75,777.12 = 29,760.64 : x
  2. Step 2: Convert to fraction form
    54,911.08/75,777.12 = 29,760.64/x
  3. Step 3: Cross multiply
    54,911.08x = 75,777.12 × 29,760.64
  4. Step 4: Simplify right side
    54,911.08x = 2,255,175,588.56
  5. Step 5: Solve for x
    x = 2,255,175,588.56/54,911.08
  6. Step 6: Final answer
    x = 41,069.59

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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.