Home / 52,705.75-79,069.21-19,425.99

Finding the Fourth Proportional to 52,705.75, 79,069.21 and 19,425.99

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Solution

The fourth proportional to 52,705.75, 79,069.21 and 19,425.99 is: 29,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.75 : 79,069.21 = 19,425.99 : x
  2. Step 2: Convert to fraction form
    52,705.75/79,069.21 = 19,425.99/x
  3. Step 3: Cross multiply
    52,705.75x = 79,069.21 × 19,425.99
  4. Step 4: Simplify right side
    52,705.75x = 1,535,997,585.64
  5. Step 5: Solve for x
    x = 1,535,997,585.64/52,705.75
  6. Step 6: Final answer
    x = 29,142.88

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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.