Home / 54,719.65-75,519.12-31,754.53

Finding the Fourth Proportional to 54,719.65, 75,519.12 and 31,754.53

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Solution

The fourth proportional to 54,719.65, 75,519.12 and 31,754.53 is: 43,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.65 : 75,519.12 = 31,754.53 : x
  2. Step 2: Convert to fraction form
    54,719.65/75,519.12 = 31,754.53/x
  3. Step 3: Cross multiply
    54,719.65x = 75,519.12 × 31,754.53
  4. Step 4: Simplify right side
    54,719.65x = 2,398,074,161.61
  5. Step 5: Solve for x
    x = 2,398,074,161.61/54,719.65
  6. Step 6: Final answer
    x = 43,824.74

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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.