Home / 107,934.92-161,611.80-70,401.92

Finding the Fourth Proportional to 107,934.92, 161,611.80 and 70,401.92

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Solution

The fourth proportional to 107,934.92, 161,611.80 and 70,401.92 is: 105,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,934.92 : 161,611.80 = 70,401.92 : x
  2. Step 2: Convert to fraction form
    107,934.92/161,611.80 = 70,401.92/x
  3. Step 3: Cross multiply
    107,934.92x = 161,611.80 × 70,401.92
  4. Step 4: Simplify right side
    107,934.92x = 11,377,781,014.66
  5. Step 5: Solve for x
    x = 11,377,781,014.66/107,934.92
  6. Step 6: Final answer
    x = 105,413.35

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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.