Home / 50,470.11-69,645.42-30,315.03

Finding the Fourth Proportional to 50,470.11, 69,645.42 and 30,315.03

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Solution

The fourth proportional to 50,470.11, 69,645.42 and 30,315.03 is: 41,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,470.11 : 69,645.42 = 30,315.03 : x
  2. Step 2: Convert to fraction form
    50,470.11/69,645.42 = 30,315.03/x
  3. Step 3: Cross multiply
    50,470.11x = 69,645.42 × 30,315.03
  4. Step 4: Simplify right side
    50,470.11x = 2,111,302,996.66
  5. Step 5: Solve for x
    x = 2,111,302,996.66/50,470.11
  6. Step 6: Final answer
    x = 41,832.74

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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.