Home / 66,680.06-99,950.97-31,593.02

Finding the Fourth Proportional to 66,680.06, 99,950.97 and 31,593.02

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Solution

The fourth proportional to 66,680.06, 99,950.97 and 31,593.02 is: 47,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,680.06 : 99,950.97 = 31,593.02 : x
  2. Step 2: Convert to fraction form
    66,680.06/99,950.97 = 31,593.02/x
  3. Step 3: Cross multiply
    66,680.06x = 99,950.97 × 31,593.02
  4. Step 4: Simplify right side
    66,680.06x = 3,157,752,994.23
  5. Step 5: Solve for x
    x = 3,157,752,994.23/66,680.06
  6. Step 6: Final answer
    x = 47,356.78

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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.