Home / 54,851.28-75,695.13-29,700.78

Finding the Fourth Proportional to 54,851.28, 75,695.13 and 29,700.78

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Solution

The fourth proportional to 54,851.28, 75,695.13 and 29,700.78 is: 40,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.28 : 75,695.13 = 29,700.78 : x
  2. Step 2: Convert to fraction form
    54,851.28/75,695.13 = 29,700.78/x
  3. Step 3: Cross multiply
    54,851.28x = 75,695.13 × 29,700.78
  4. Step 4: Simplify right side
    54,851.28x = 2,248,204,403.20
  5. Step 5: Solve for x
    x = 2,248,204,403.20/54,851.28
  6. Step 6: Final answer
    x = 40,987.27

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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.