Home / 53,311.43-80,015.51-28,372.48

Finding the Fourth Proportional to 53,311.43, 80,015.51 and 28,372.48

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Solution

The fourth proportional to 53,311.43, 80,015.51 and 28,372.48 is: 42,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.43 : 80,015.51 = 28,372.48 : x
  2. Step 2: Convert to fraction form
    53,311.43/80,015.51 = 28,372.48/x
  3. Step 3: Cross multiply
    53,311.43x = 80,015.51 × 28,372.48
  4. Step 4: Simplify right side
    53,311.43x = 2,270,238,328.06
  5. Step 5: Solve for x
    x = 2,270,238,328.06/53,311.43
  6. Step 6: Final answer
    x = 42,584.46

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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.