Home / 92,350.40-138,544.04-29,180.28

Finding the Fourth Proportional to 92,350.40, 138,544.04 and 29,180.28

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Solution

The fourth proportional to 92,350.40, 138,544.04 and 29,180.28 is: 43,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,350.40 : 138,544.04 = 29,180.28 : x
  2. Step 2: Convert to fraction form
    92,350.40/138,544.04 = 29,180.28/x
  3. Step 3: Cross multiply
    92,350.40x = 138,544.04 × 29,180.28
  4. Step 4: Simplify right side
    92,350.40x = 4,042,753,879.53
  5. Step 5: Solve for x
    x = 4,042,753,879.53/92,350.40
  6. Step 6: Final answer
    x = 43,776.25

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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.