Home / 69,011.05-103,516.58-48,015.85

Finding the Fourth Proportional to 69,011.05, 103,516.58 and 48,015.85

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Solution

The fourth proportional to 69,011.05, 103,516.58 and 48,015.85 is: 72,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,011.05 : 103,516.58 = 48,015.85 : x
  2. Step 2: Convert to fraction form
    69,011.05/103,516.58 = 48,015.85/x
  3. Step 3: Cross multiply
    69,011.05x = 103,516.58 × 48,015.85
  4. Step 4: Simplify right side
    69,011.05x = 4,970,436,337.71
  5. Step 5: Solve for x
    x = 4,970,436,337.71/69,011.05
  6. Step 6: Final answer
    x = 72,023.78

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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.