Home / 66,471.20-99,755.40-44,277.20

Finding the Fourth Proportional to 66,471.20, 99,755.40 and 44,277.20

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Solution

The fourth proportional to 66,471.20, 99,755.40 and 44,277.20 is: 66,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,471.20 : 99,755.40 = 44,277.20 : x
  2. Step 2: Convert to fraction form
    66,471.20/99,755.40 = 44,277.20/x
  3. Step 3: Cross multiply
    66,471.20x = 99,755.40 × 44,277.20
  4. Step 4: Simplify right side
    66,471.20x = 4,416,889,796.88
  5. Step 5: Solve for x
    x = 4,416,889,796.88/66,471.20
  6. Step 6: Final answer
    x = 66,448.17

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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.