Home / 50,620.90-69,857.57-29,400.16

Finding the Fourth Proportional to 50,620.90, 69,857.57 and 29,400.16

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Solution

The fourth proportional to 50,620.90, 69,857.57 and 29,400.16 is: 40,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,620.90 : 69,857.57 = 29,400.16 : x
  2. Step 2: Convert to fraction form
    50,620.90/69,857.57 = 29,400.16/x
  3. Step 3: Cross multiply
    50,620.90x = 69,857.57 × 29,400.16
  4. Step 4: Simplify right side
    50,620.90x = 2,053,823,735.21
  5. Step 5: Solve for x
    x = 2,053,823,735.21/50,620.90
  6. Step 6: Final answer
    x = 40,572.65

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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.