Home / 67,145.49-100,523.70-50,575.32

Finding the Fourth Proportional to 67,145.49, 100,523.70 and 50,575.32

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Solution

The fourth proportional to 67,145.49, 100,523.70 and 50,575.32 is: 75,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,145.49 : 100,523.70 = 50,575.32 : x
  2. Step 2: Convert to fraction form
    67,145.49/100,523.70 = 50,575.32/x
  3. Step 3: Cross multiply
    67,145.49x = 100,523.70 × 50,575.32
  4. Step 4: Simplify right side
    67,145.49x = 5,084,018,295.08
  5. Step 5: Solve for x
    x = 5,084,018,295.08/67,145.49
  6. Step 6: Final answer
    x = 75,716.45

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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.