Home / 80,645.42-120,928.95-24,475.37

Finding the Fourth Proportional to 80,645.42, 120,928.95 and 24,475.37

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Solution

The fourth proportional to 80,645.42, 120,928.95 and 24,475.37 is: 36,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.42 : 120,928.95 = 24,475.37 : x
  2. Step 2: Convert to fraction form
    80,645.42/120,928.95 = 24,475.37/x
  3. Step 3: Cross multiply
    80,645.42x = 120,928.95 × 24,475.37
  4. Step 4: Simplify right side
    80,645.42x = 2,959,780,190.32
  5. Step 5: Solve for x
    x = 2,959,780,190.32/80,645.42
  6. Step 6: Final answer
    x = 36,701.16

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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.