Home / 50,624.12-69,865.11-29,120.45

Finding the Fourth Proportional to 50,624.12, 69,865.11 and 29,120.45

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Solution

The fourth proportional to 50,624.12, 69,865.11 and 29,120.45 is: 40,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,624.12 : 69,865.11 = 29,120.45 : x
  2. Step 2: Convert to fraction form
    50,624.12/69,865.11 = 29,120.45/x
  3. Step 3: Cross multiply
    50,624.12x = 69,865.11 × 29,120.45
  4. Step 4: Simplify right side
    50,624.12x = 2,034,503,093.17
  5. Step 5: Solve for x
    x = 2,034,503,093.17/50,624.12
  6. Step 6: Final answer
    x = 40,188.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.