Home / 92,817.28-128,087.97-50,375.81

Finding the Fourth Proportional to 92,817.28, 128,087.97 and 50,375.81

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Solution

The fourth proportional to 92,817.28, 128,087.97 and 50,375.81 is: 69,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.28 : 128,087.97 = 50,375.81 : x
  2. Step 2: Convert to fraction form
    92,817.28/128,087.97 = 50,375.81/x
  3. Step 3: Cross multiply
    92,817.28x = 128,087.97 × 50,375.81
  4. Step 4: Simplify right side
    92,817.28x = 6,452,535,240.01
  5. Step 5: Solve for x
    x = 6,452,535,240.01/92,817.28
  6. Step 6: Final answer
    x = 69,518.68

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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.