Home / 50,131.07-69,176.28-28,906.24

Finding the Fourth Proportional to 50,131.07, 69,176.28 and 28,906.24

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Solution

The fourth proportional to 50,131.07, 69,176.28 and 28,906.24 is: 39,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.07 : 69,176.28 = 28,906.24 : x
  2. Step 2: Convert to fraction form
    50,131.07/69,176.28 = 28,906.24/x
  3. Step 3: Cross multiply
    50,131.07x = 69,176.28 × 28,906.24
  4. Step 4: Simplify right side
    50,131.07x = 1,999,626,151.99
  5. Step 5: Solve for x
    x = 1,999,626,151.99/50,131.07
  6. Step 6: Final answer
    x = 39,887.96

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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.