Home / 74,434.32-111,661.72-21,847.44

Finding the Fourth Proportional to 74,434.32, 111,661.72 and 21,847.44

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Solution

The fourth proportional to 74,434.32, 111,661.72 and 21,847.44 is: 32,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,434.32 : 111,661.72 = 21,847.44 : x
  2. Step 2: Convert to fraction form
    74,434.32/111,661.72 = 21,847.44/x
  3. Step 3: Cross multiply
    74,434.32x = 111,661.72 × 21,847.44
  4. Step 4: Simplify right side
    74,434.32x = 2,439,522,728.00
  5. Step 5: Solve for x
    x = 2,439,522,728.00/74,434.32
  6. Step 6: Final answer
    x = 32,774.17

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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.