Home / 80,516.19-120,778.50-24,354.86

Finding the Fourth Proportional to 80,516.19, 120,778.50 and 24,354.86

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Solution

The fourth proportional to 80,516.19, 120,778.50 and 24,354.86 is: 36,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,516.19 : 120,778.50 = 24,354.86 : x
  2. Step 2: Convert to fraction form
    80,516.19/120,778.50 = 24,354.86/x
  3. Step 3: Cross multiply
    80,516.19x = 120,778.50 × 24,354.86
  4. Step 4: Simplify right side
    80,516.19x = 2,941,543,458.51
  5. Step 5: Solve for x
    x = 2,941,543,458.51/80,516.19
  6. Step 6: Final answer
    x = 36,533.56

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1.5x scale

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.