Home / 67,175.20-100,628.34-40,506.22

Finding the Fourth Proportional to 67,175.20, 100,628.34 and 40,506.22

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Solution

The fourth proportional to 67,175.20, 100,628.34 and 40,506.22 is: 60,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,175.20 : 100,628.34 = 40,506.22 : x
  2. Step 2: Convert to fraction form
    67,175.20/100,628.34 = 40,506.22/x
  3. Step 3: Cross multiply
    67,175.20x = 100,628.34 × 40,506.22
  4. Step 4: Simplify right side
    67,175.20x = 4,076,073,678.27
  5. Step 5: Solve for x
    x = 4,076,073,678.27/67,175.20
  6. Step 6: Final answer
    x = 60,678.25

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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.