Home / 67,170.56-92,708.61-38,509.46

Finding the Fourth Proportional to 67,170.56, 92,708.61 and 38,509.46

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Solution

The fourth proportional to 67,170.56, 92,708.61 and 38,509.46 is: 53,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,170.56 : 92,708.61 = 38,509.46 : x
  2. Step 2: Convert to fraction form
    67,170.56/92,708.61 = 38,509.46/x
  3. Step 3: Cross multiply
    67,170.56x = 92,708.61 × 38,509.46
  4. Step 4: Simplify right side
    67,170.56x = 3,570,158,508.45
  5. Step 5: Solve for x
    x = 3,570,158,508.45/67,170.56
  6. Step 6: Final answer
    x = 53,150.64

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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.