Home / 50,400.80-75,601.20-29,319.20

Finding the Fourth Proportional to 50,400.80, 75,601.20 and 29,319.20

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Solution

The fourth proportional to 50,400.80, 75,601.20 and 29,319.20 is: 43,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,400.80 : 75,601.20 = 29,319.20 : x
  2. Step 2: Convert to fraction form
    50,400.80/75,601.20 = 29,319.20/x
  3. Step 3: Cross multiply
    50,400.80x = 75,601.20 × 29,319.20
  4. Step 4: Simplify right side
    50,400.80x = 2,216,566,703.04
  5. Step 5: Solve for x
    x = 2,216,566,703.04/50,400.80
  6. Step 6: Final answer
    x = 43,978.80

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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.