Home / 92,816.88-128,087.22-50,375.45

Finding the Fourth Proportional to 92,816.88, 128,087.22 and 50,375.45

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Solution

The fourth proportional to 92,816.88, 128,087.22 and 50,375.45 is: 69,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,816.88 : 128,087.22 = 50,375.45 : x
  2. Step 2: Convert to fraction form
    92,816.88/128,087.22 = 50,375.45/x
  3. Step 3: Cross multiply
    92,816.88x = 128,087.22 × 50,375.45
  4. Step 4: Simplify right side
    92,816.88x = 6,452,451,346.75
  5. Step 5: Solve for x
    x = 6,452,451,346.75/92,816.88
  6. Step 6: Final answer
    x = 69,518.08

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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.