Home / 45,375.40-67,685.81-44,649.64

Finding the Fourth Proportional to 45,375.40, 67,685.81 and 44,649.64

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Solution

The fourth proportional to 45,375.40, 67,685.81 and 44,649.64 is: 66,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,375.40 : 67,685.81 = 44,649.64 : x
  2. Step 2: Convert to fraction form
    45,375.40/67,685.81 = 44,649.64/x
  3. Step 3: Cross multiply
    45,375.40x = 67,685.81 × 44,649.64
  4. Step 4: Simplify right side
    45,375.40x = 3,022,147,049.61
  5. Step 5: Solve for x
    x = 3,022,147,049.61/45,375.40
  6. Step 6: Final answer
    x = 66,603.20

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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.