Home / 73,116.26-100,900.43-40,850.88

Finding the Fourth Proportional to 73,116.26, 100,900.43 and 40,850.88

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Solution

The fourth proportional to 73,116.26, 100,900.43 and 40,850.88 is: 56,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.26 : 100,900.43 = 40,850.88 : x
  2. Step 2: Convert to fraction form
    73,116.26/100,900.43 = 40,850.88/x
  3. Step 3: Cross multiply
    73,116.26x = 100,900.43 × 40,850.88
  4. Step 4: Simplify right side
    73,116.26x = 4,121,871,153.62
  5. Step 5: Solve for x
    x = 4,121,871,153.62/73,116.26
  6. Step 6: Final answer
    x = 56,374.21

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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.