Home / 54,704.58-75,493.23-30,831.66

Finding the Fourth Proportional to 54,704.58, 75,493.23 and 30,831.66

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Solution

The fourth proportional to 54,704.58, 75,493.23 and 30,831.66 is: 42,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,704.58 : 75,493.23 = 30,831.66 : x
  2. Step 2: Convert to fraction form
    54,704.58/75,493.23 = 30,831.66/x
  3. Step 3: Cross multiply
    54,704.58x = 75,493.23 × 30,831.66
  4. Step 4: Simplify right side
    54,704.58x = 2,327,581,599.66
  5. Step 5: Solve for x
    x = 2,327,581,599.66/54,704.58
  6. Step 6: Final answer
    x = 42,548.20

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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.