Home / 52,493.32-78,738.90-17,433.28

Finding the Fourth Proportional to 52,493.32, 78,738.90 and 17,433.28

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Solution

The fourth proportional to 52,493.32, 78,738.90 and 17,433.28 is: 26,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,493.32 : 78,738.90 = 17,433.28 : x
  2. Step 2: Convert to fraction form
    52,493.32/78,738.90 = 17,433.28/x
  3. Step 3: Cross multiply
    52,493.32x = 78,738.90 × 17,433.28
  4. Step 4: Simplify right side
    52,493.32x = 1,372,677,290.59
  5. Step 5: Solve for x
    x = 1,372,677,290.59/52,493.32
  6. Step 6: Final answer
    x = 26,149.56

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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.