Home / 43,777.80-65,652.12-14,188.50

Finding the Fourth Proportional to 43,777.80, 65,652.12 and 14,188.50

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Solution

The fourth proportional to 43,777.80, 65,652.12 and 14,188.50 is: 21,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,777.80 : 65,652.12 = 14,188.50 : x
  2. Step 2: Convert to fraction form
    43,777.80/65,652.12 = 14,188.50/x
  3. Step 3: Cross multiply
    43,777.80x = 65,652.12 × 14,188.50
  4. Step 4: Simplify right side
    43,777.80x = 931,505,104.62
  5. Step 5: Solve for x
    x = 931,505,104.62/43,777.80
  6. Step 6: Final answer
    x = 21,278.02

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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.