Home / 53,223.28-73,462.26-31,438.66

Finding the Fourth Proportional to 53,223.28, 73,462.26 and 31,438.66

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Solution

The fourth proportional to 53,223.28, 73,462.26 and 31,438.66 is: 43,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.28 : 73,462.26 = 31,438.66 : x
  2. Step 2: Convert to fraction form
    53,223.28/73,462.26 = 31,438.66/x
  3. Step 3: Cross multiply
    53,223.28x = 73,462.26 × 31,438.66
  4. Step 4: Simplify right side
    53,223.28x = 2,309,555,014.97
  5. Step 5: Solve for x
    x = 2,309,555,014.97/53,223.28
  6. Step 6: Final answer
    x = 43,393.70

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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.