Home / 47,996.10-71,574.21-45,375.75

Finding the Fourth Proportional to 47,996.10, 71,574.21 and 45,375.75

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Solution

The fourth proportional to 47,996.10, 71,574.21 and 45,375.75 is: 67,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,996.10 : 71,574.21 = 45,375.75 : x
  2. Step 2: Convert to fraction form
    47,996.10/71,574.21 = 45,375.75/x
  3. Step 3: Cross multiply
    47,996.10x = 71,574.21 × 45,375.75
  4. Step 4: Simplify right side
    47,996.10x = 3,247,733,459.41
  5. Step 5: Solve for x
    x = 3,247,733,459.41/47,996.10
  6. Step 6: Final answer
    x = 67,666.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.