Home / 54,713.27-75,499.80-30,845.81

Finding the Fourth Proportional to 54,713.27, 75,499.80 and 30,845.81

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Solution

The fourth proportional to 54,713.27, 75,499.80 and 30,845.81 is: 42,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,713.27 : 75,499.80 = 30,845.81 : x
  2. Step 2: Convert to fraction form
    54,713.27/75,499.80 = 30,845.81/x
  3. Step 3: Cross multiply
    54,713.27x = 75,499.80 × 30,845.81
  4. Step 4: Simplify right side
    54,713.27x = 2,328,852,558.92
  5. Step 5: Solve for x
    x = 2,328,852,558.92/54,713.27
  6. Step 6: Final answer
    x = 42,564.67

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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.