Home / 54,944.31-82,431.25-28,275.76

Finding the Fourth Proportional to 54,944.31, 82,431.25 and 28,275.76

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Solution

The fourth proportional to 54,944.31, 82,431.25 and 28,275.76 is: 42,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,944.31 : 82,431.25 = 28,275.76 : x
  2. Step 2: Convert to fraction form
    54,944.31/82,431.25 = 28,275.76/x
  3. Step 3: Cross multiply
    54,944.31x = 82,431.25 × 28,275.76
  4. Step 4: Simplify right side
    54,944.31x = 2,330,806,518.27
  5. Step 5: Solve for x
    x = 2,330,806,518.27/54,944.31
  6. Step 6: Final answer
    x = 42,421.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.