Home / 52,741.54-72,781.86-30,080

Finding the Fourth Proportional to 52,741.54, 72,781.86 and 30,080

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Solution

The fourth proportional to 52,741.54, 72,781.86 and 30,080 is: 41,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,741.54 : 72,781.86 = 30,080 : x
  2. Step 2: Convert to fraction form
    52,741.54/72,781.86 = 30,080/x
  3. Step 3: Cross multiply
    52,741.54x = 72,781.86 × 30,080
  4. Step 4: Simplify right side
    52,741.54x = 2,189,278,348.80
  5. Step 5: Solve for x
    x = 2,189,278,348.80/52,741.54
  6. Step 6: Final answer
    x = 41,509.56

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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.