Home / 69,262.55-103,899.72-21,864.96

Finding the Fourth Proportional to 69,262.55, 103,899.72 and 21,864.96

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Solution

The fourth proportional to 69,262.55, 103,899.72 and 21,864.96 is: 32,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,262.55 : 103,899.72 = 21,864.96 : x
  2. Step 2: Convert to fraction form
    69,262.55/103,899.72 = 21,864.96/x
  3. Step 3: Cross multiply
    69,262.55x = 103,899.72 × 21,864.96
  4. Step 4: Simplify right side
    69,262.55x = 2,271,763,221.81
  5. Step 5: Solve for x
    x = 2,271,763,221.81/69,262.55
  6. Step 6: Final answer
    x = 32,799.30

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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.