Home / 56,531.92-84,773.27-28,434.43

Finding the Fourth Proportional to 56,531.92, 84,773.27 and 28,434.43

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Solution

The fourth proportional to 56,531.92, 84,773.27 and 28,434.43 is: 42,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,531.92 : 84,773.27 = 28,434.43 : x
  2. Step 2: Convert to fraction form
    56,531.92/84,773.27 = 28,434.43/x
  3. Step 3: Cross multiply
    56,531.92x = 84,773.27 × 28,434.43
  4. Step 4: Simplify right side
    56,531.92x = 2,410,479,469.51
  5. Step 5: Solve for x
    x = 2,410,479,469.51/56,531.92
  6. Step 6: Final answer
    x = 42,639.27

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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.