Home / 54,741.29-75,543.00-30,867.97

Finding the Fourth Proportional to 54,741.29, 75,543.00 and 30,867.97

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Solution

The fourth proportional to 54,741.29, 75,543.00 and 30,867.97 is: 42,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.29 : 75,543.00 = 30,867.97 : x
  2. Step 2: Convert to fraction form
    54,741.29/75,543.00 = 30,867.97/x
  3. Step 3: Cross multiply
    54,741.29x = 75,543.00 × 30,867.97
  4. Step 4: Simplify right side
    54,741.29x = 2,331,859,278.55
  5. Step 5: Solve for x
    x = 2,331,859,278.55/54,741.29
  6. Step 6: Final answer
    x = 42,597.81

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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.