Home / 54,731.99-75,530.13-29,581.49

Finding the Fourth Proportional to 54,731.99, 75,530.13 and 29,581.49

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Solution

The fourth proportional to 54,731.99, 75,530.13 and 29,581.49 is: 40,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.99 : 75,530.13 = 29,581.49 : x
  2. Step 2: Convert to fraction form
    54,731.99/75,530.13 = 29,581.49/x
  3. Step 3: Cross multiply
    54,731.99x = 75,530.13 × 29,581.49
  4. Step 4: Simplify right side
    54,731.99x = 2,234,293,785.29
  5. Step 5: Solve for x
    x = 2,234,293,785.29/54,731.99
  6. Step 6: Final answer
    x = 40,822.45

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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.