Home / 50,355.45-69,485.07-29,130.75

Finding the Fourth Proportional to 50,355.45, 69,485.07 and 29,130.75

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Solution

The fourth proportional to 50,355.45, 69,485.07 and 29,130.75 is: 40,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,355.45 : 69,485.07 = 29,130.75 : x
  2. Step 2: Convert to fraction form
    50,355.45/69,485.07 = 29,130.75/x
  3. Step 3: Cross multiply
    50,355.45x = 69,485.07 × 29,130.75
  4. Step 4: Simplify right side
    50,355.45x = 2,024,152,202.90
  5. Step 5: Solve for x
    x = 2,024,152,202.90/50,355.45
  6. Step 6: Final answer
    x = 40,197.28

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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.