Home / 67,173.56-92,712.75-38,512.46

Finding the Fourth Proportional to 67,173.56, 92,712.75 and 38,512.46

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Solution

The fourth proportional to 67,173.56, 92,712.75 and 38,512.46 is: 53,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,173.56 : 92,712.75 = 38,512.46 : x
  2. Step 2: Convert to fraction form
    67,173.56/92,712.75 = 38,512.46/x
  3. Step 3: Cross multiply
    67,173.56x = 92,712.75 × 38,512.46
  4. Step 4: Simplify right side
    67,173.56x = 3,570,595,612.30
  5. Step 5: Solve for x
    x = 3,570,595,612.30/67,173.56
  6. Step 6: Final answer
    x = 53,154.78

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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.