Home / 52,187.25-78,294.24-17,127.21

Finding the Fourth Proportional to 52,187.25, 78,294.24 and 17,127.21

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Solution

The fourth proportional to 52,187.25, 78,294.24 and 17,127.21 is: 25,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187.25 : 78,294.24 = 17,127.21 : x
  2. Step 2: Convert to fraction form
    52,187.25/78,294.24 = 17,127.21/x
  3. Step 3: Cross multiply
    52,187.25x = 78,294.24 × 17,127.21
  4. Step 4: Simplify right side
    52,187.25x = 1,340,961,890.27
  5. Step 5: Solve for x
    x = 1,340,961,890.27/52,187.25
  6. Step 6: Final answer
    x = 25,695.20

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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.