Home / 114,994.64-172,517.40-40,111.76

Finding the Fourth Proportional to 114,994.64, 172,517.40 and 40,111.76

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Solution

The fourth proportional to 114,994.64, 172,517.40 and 40,111.76 is: 60,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,994.64 : 172,517.40 = 40,111.76 : x
  2. Step 2: Convert to fraction form
    114,994.64/172,517.40 = 40,111.76/x
  3. Step 3: Cross multiply
    114,994.64x = 172,517.40 × 40,111.76
  4. Step 4: Simplify right side
    114,994.64x = 6,919,976,544.62
  5. Step 5: Solve for x
    x = 6,919,976,544.62/114,994.64
  6. Step 6: Final answer
    x = 60,176.51

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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.