Home / 56,507.28-84,757.16-23,218.72

Finding the Fourth Proportional to 56,507.28, 84,757.16 and 23,218.72

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Solution

The fourth proportional to 56,507.28, 84,757.16 and 23,218.72 is: 34,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,507.28 : 84,757.16 = 23,218.72 : x
  2. Step 2: Convert to fraction form
    56,507.28/84,757.16 = 23,218.72/x
  3. Step 3: Cross multiply
    56,507.28x = 84,757.16 × 23,218.72
  4. Step 4: Simplify right side
    56,507.28x = 1,967,952,766.04
  5. Step 5: Solve for x
    x = 1,967,952,766.04/56,507.28
  6. Step 6: Final answer
    x = 34,826.54

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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.