Home / 107,310.42-148,087.04-61,988.22

Finding the Fourth Proportional to 107,310.42, 148,087.04 and 61,988.22

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Solution

The fourth proportional to 107,310.42, 148,087.04 and 61,988.22 is: 85,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,310.42 : 148,087.04 = 61,988.22 : x
  2. Step 2: Convert to fraction form
    107,310.42/148,087.04 = 61,988.22/x
  3. Step 3: Cross multiply
    107,310.42x = 148,087.04 × 61,988.22
  4. Step 4: Simplify right side
    107,310.42x = 9,179,651,704.73
  5. Step 5: Solve for x
    x = 9,179,651,704.73/107,310.42
  6. Step 6: Final answer
    x = 85,542.97

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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.