Home / 43,712.85-65,553.21-15,625.33

Finding the Fourth Proportional to 43,712.85, 65,553.21 and 15,625.33

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Solution

The fourth proportional to 43,712.85, 65,553.21 and 15,625.33 is: 23,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.85 : 65,553.21 = 15,625.33 : x
  2. Step 2: Convert to fraction form
    43,712.85/65,553.21 = 15,625.33/x
  3. Step 3: Cross multiply
    43,712.85x = 65,553.21 × 15,625.33
  4. Step 4: Simplify right side
    43,712.85x = 1,024,290,211.04
  5. Step 5: Solve for x
    x = 1,024,290,211.04/43,712.85
  6. Step 6: Final answer
    x = 23,432.25

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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.