Home / 92,612.28-127,805.56-50,170.78

Finding the Fourth Proportional to 92,612.28, 127,805.56 and 50,170.78

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Solution

The fourth proportional to 92,612.28, 127,805.56 and 50,170.78 is: 69,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612.28 : 127,805.56 = 50,170.78 : x
  2. Step 2: Convert to fraction form
    92,612.28/127,805.56 = 50,170.78/x
  3. Step 3: Cross multiply
    92,612.28x = 127,805.56 × 50,170.78
  4. Step 4: Simplify right side
    92,612.28x = 6,412,104,633.54
  5. Step 5: Solve for x
    x = 6,412,104,633.54/92,612.28
  6. Step 6: Final answer
    x = 69,236.01

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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.