Home / 52,519.04-78,755.52-19,664

Finding the Fourth Proportional to 52,519.04, 78,755.52 and 19,664

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Solution

The fourth proportional to 52,519.04, 78,755.52 and 19,664 is: 29,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,519.04 : 78,755.52 = 19,664 : x
  2. Step 2: Convert to fraction form
    52,519.04/78,755.52 = 19,664/x
  3. Step 3: Cross multiply
    52,519.04x = 78,755.52 × 19,664
  4. Step 4: Simplify right side
    52,519.04x = 1,548,648,545.28
  5. Step 5: Solve for x
    x = 1,548,648,545.28/52,519.04
  6. Step 6: Final answer
    x = 29,487.37

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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.