Home / 69,441.12-103,956.88-43,060.96

Finding the Fourth Proportional to 69,441.12, 103,956.88 and 43,060.96

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Solution

The fourth proportional to 69,441.12, 103,956.88 and 43,060.96 is: 64,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,441.12 : 103,956.88 = 43,060.96 : x
  2. Step 2: Convert to fraction form
    69,441.12/103,956.88 = 43,060.96/x
  3. Step 3: Cross multiply
    69,441.12x = 103,956.88 × 43,060.96
  4. Step 4: Simplify right side
    69,441.12x = 4,476,483,051.40
  5. Step 5: Solve for x
    x = 4,476,483,051.40/69,441.12
  6. Step 6: Final answer
    x = 64,464.44

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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.