Home / 105,778.11-158,708.66-46,572.25

Finding the Fourth Proportional to 105,778.11, 158,708.66 and 46,572.25

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Solution

The fourth proportional to 105,778.11, 158,708.66 and 46,572.25 is: 69,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,778.11 : 158,708.66 = 46,572.25 : x
  2. Step 2: Convert to fraction form
    105,778.11/158,708.66 = 46,572.25/x
  3. Step 3: Cross multiply
    105,778.11x = 158,708.66 × 46,572.25
  4. Step 4: Simplify right side
    105,778.11x = 7,391,419,390.69
  5. Step 5: Solve for x
    x = 7,391,419,390.69/105,778.11
  6. Step 6: Final answer
    x = 69,876.64

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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.