Home / 67,581.20-101,305.60-37,609.74

Finding the Fourth Proportional to 67,581.20, 101,305.60 and 37,609.74

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Solution

The fourth proportional to 67,581.20, 101,305.60 and 37,609.74 is: 56,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,581.20 : 101,305.60 = 37,609.74 : x
  2. Step 2: Convert to fraction form
    67,581.20/101,305.60 = 37,609.74/x
  3. Step 3: Cross multiply
    67,581.20x = 101,305.60 × 37,609.74
  4. Step 4: Simplify right side
    67,581.20x = 3,810,076,879.26
  5. Step 5: Solve for x
    x = 3,810,076,879.26/67,581.20
  6. Step 6: Final answer
    x = 56,377.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.