Home / 105,872.24-146,087.88-58,127.60

Finding the Fourth Proportional to 105,872.24, 146,087.88 and 58,127.60

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Solution

The fourth proportional to 105,872.24, 146,087.88 and 58,127.60 is: 80,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872.24 : 146,087.88 = 58,127.60 : x
  2. Step 2: Convert to fraction form
    105,872.24/146,087.88 = 58,127.60/x
  3. Step 3: Cross multiply
    105,872.24x = 146,087.88 × 58,127.60
  4. Step 4: Simplify right side
    105,872.24x = 8,491,737,853.49
  5. Step 5: Solve for x
    x = 8,491,737,853.49/105,872.24
  6. Step 6: Final answer
    x = 80,207.41

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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.