Home / 50,212.94-69,296.36-28,703.79

Finding the Fourth Proportional to 50,212.94, 69,296.36 and 28,703.79

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Solution

The fourth proportional to 50,212.94, 69,296.36 and 28,703.79 is: 39,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,212.94 : 69,296.36 = 28,703.79 : x
  2. Step 2: Convert to fraction form
    50,212.94/69,296.36 = 28,703.79/x
  3. Step 3: Cross multiply
    50,212.94x = 69,296.36 × 28,703.79
  4. Step 4: Simplify right side
    50,212.94x = 1,989,068,021.69
  5. Step 5: Solve for x
    x = 1,989,068,021.69/50,212.94
  6. Step 6: Final answer
    x = 39,612.66

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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.