Home / 69,301.12-103,964.50-21,928.14

Finding the Fourth Proportional to 69,301.12, 103,964.50 and 21,928.14

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Solution

The fourth proportional to 69,301.12, 103,964.50 and 21,928.14 is: 32,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,301.12 : 103,964.50 = 21,928.14 : x
  2. Step 2: Convert to fraction form
    69,301.12/103,964.50 = 21,928.14/x
  3. Step 3: Cross multiply
    69,301.12x = 103,964.50 × 21,928.14
  4. Step 4: Simplify right side
    69,301.12x = 2,279,748,056.21
  5. Step 5: Solve for x
    x = 2,279,748,056.21/69,301.12
  6. Step 6: Final answer
    x = 32,896.27

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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.