Home / 50,115.96-69,166.44-28,895.40

Finding the Fourth Proportional to 50,115.96, 69,166.44 and 28,895.40

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Solution

The fourth proportional to 50,115.96, 69,166.44 and 28,895.40 is: 39,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.96 : 69,166.44 = 28,895.40 : x
  2. Step 2: Convert to fraction form
    50,115.96/69,166.44 = 28,895.40/x
  3. Step 3: Cross multiply
    50,115.96x = 69,166.44 × 28,895.40
  4. Step 4: Simplify right side
    50,115.96x = 1,998,591,950.38
  5. Step 5: Solve for x
    x = 1,998,591,950.38/50,115.96
  6. Step 6: Final answer
    x = 39,879.35

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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.