Home / 67,144.10-100,716.14-31,583.30

Finding the Fourth Proportional to 67,144.10, 100,716.14 and 31,583.30

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Solution

The fourth proportional to 67,144.10, 100,716.14 and 31,583.30 is: 47,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.10 : 100,716.14 = 31,583.30 : x
  2. Step 2: Convert to fraction form
    67,144.10/100,716.14 = 31,583.30/x
  3. Step 3: Cross multiply
    67,144.10x = 100,716.14 × 31,583.30
  4. Step 4: Simplify right side
    67,144.10x = 3,180,947,402.96
  5. Step 5: Solve for x
    x = 3,180,947,402.96/67,144.10
  6. Step 6: Final answer
    x = 47,374.94

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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.