Home / 53,020.64-73,168.53-29,147.72

Finding the Fourth Proportional to 53,020.64, 73,168.53 and 29,147.72

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Solution

The fourth proportional to 53,020.64, 73,168.53 and 29,147.72 is: 40,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.64 : 73,168.53 = 29,147.72 : x
  2. Step 2: Convert to fraction form
    53,020.64/73,168.53 = 29,147.72/x
  3. Step 3: Cross multiply
    53,020.64x = 73,168.53 × 29,147.72
  4. Step 4: Simplify right side
    53,020.64x = 2,132,695,825.25
  5. Step 5: Solve for x
    x = 2,132,695,825.25/53,020.64
  6. Step 6: Final answer
    x = 40,223.88

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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.