Home / 91,205.42-136,808.01-50,704.74

Finding the Fourth Proportional to 91,205.42, 136,808.01 and 50,704.74

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Solution

The fourth proportional to 91,205.42, 136,808.01 and 50,704.74 is: 76,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,205.42 : 136,808.01 = 50,704.74 : x
  2. Step 2: Convert to fraction form
    91,205.42/136,808.01 = 50,704.74/x
  3. Step 3: Cross multiply
    91,205.42x = 136,808.01 × 50,704.74
  4. Step 4: Simplify right side
    91,205.42x = 6,936,814,576.97
  5. Step 5: Solve for x
    x = 6,936,814,576.97/91,205.42
  6. Step 6: Final answer
    x = 76,057.05

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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.