Home / 105,747.49-145,940.70-58,010.14

Finding the Fourth Proportional to 105,747.49, 145,940.70 and 58,010.14

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Solution

The fourth proportional to 105,747.49, 145,940.70 and 58,010.14 is: 80,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,747.49 : 145,940.70 = 58,010.14 : x
  2. Step 2: Convert to fraction form
    105,747.49/145,940.70 = 58,010.14/x
  3. Step 3: Cross multiply
    105,747.49x = 145,940.70 × 58,010.14
  4. Step 4: Simplify right side
    105,747.49x = 8,466,040,438.70
  5. Step 5: Solve for x
    x = 8,466,040,438.70/105,747.49
  6. Step 6: Final answer
    x = 80,059.02

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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.