Home / 50,716.38-69,987.34-28,056.63

Finding the Fourth Proportional to 50,716.38, 69,987.34 and 28,056.63

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Solution

The fourth proportional to 50,716.38, 69,987.34 and 28,056.63 is: 38,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.38 : 69,987.34 = 28,056.63 : x
  2. Step 2: Convert to fraction form
    50,716.38/69,987.34 = 28,056.63/x
  3. Step 3: Cross multiply
    50,716.38x = 69,987.34 × 28,056.63
  4. Step 4: Simplify right side
    50,716.38x = 1,963,608,517.86
  5. Step 5: Solve for x
    x = 1,963,608,517.86/50,716.38
  6. Step 6: Final answer
    x = 38,717.45

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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.