Home / 54,851.12-75,694.60-29,700.56

Finding the Fourth Proportional to 54,851.12, 75,694.60 and 29,700.56

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Solution

The fourth proportional to 54,851.12, 75,694.60 and 29,700.56 is: 40,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.12 : 75,694.60 = 29,700.56 : x
  2. Step 2: Convert to fraction form
    54,851.12/75,694.60 = 29,700.56/x
  3. Step 3: Cross multiply
    54,851.12x = 75,694.60 × 29,700.56
  4. Step 4: Simplify right side
    54,851.12x = 2,248,172,008.98
  5. Step 5: Solve for x
    x = 2,248,172,008.98/54,851.12
  6. Step 6: Final answer
    x = 40,986.80

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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.