Home / 92,817.42-128,084.79-50,375.10

Finding the Fourth Proportional to 92,817.42, 128,084.79 and 50,375.10

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Solution

The fourth proportional to 92,817.42, 128,084.79 and 50,375.10 is: 69,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.42 : 128,084.79 = 50,375.10 : x
  2. Step 2: Convert to fraction form
    92,817.42/128,084.79 = 50,375.10/x
  3. Step 3: Cross multiply
    92,817.42x = 128,084.79 × 50,375.10
  4. Step 4: Simplify right side
    92,817.42x = 6,452,284,104.73
  5. Step 5: Solve for x
    x = 6,452,284,104.73/92,817.42
  6. Step 6: Final answer
    x = 69,515.87

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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.