Home / 105,760.11-158,649.75-46,581.78

Finding the Fourth Proportional to 105,760.11, 158,649.75 and 46,581.78

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Solution

The fourth proportional to 105,760.11, 158,649.75 and 46,581.78 is: 69,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,760.11 : 158,649.75 = 46,581.78 : x
  2. Step 2: Convert to fraction form
    105,760.11/158,649.75 = 46,581.78/x
  3. Step 3: Cross multiply
    105,760.11x = 158,649.75 × 46,581.78
  4. Step 4: Simplify right side
    105,760.11x = 7,390,187,751.56
  5. Step 5: Solve for x
    x = 7,390,187,751.56/105,760.11
  6. Step 6: Final answer
    x = 69,876.89

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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.