Home / 52,253.03-72,109.29-28,379.66

Finding the Fourth Proportional to 52,253.03, 72,109.29 and 28,379.66

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Solution

The fourth proportional to 52,253.03, 72,109.29 and 28,379.66 is: 39,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253.03 : 72,109.29 = 28,379.66 : x
  2. Step 2: Convert to fraction form
    52,253.03/72,109.29 = 28,379.66/x
  3. Step 3: Cross multiply
    52,253.03x = 72,109.29 × 28,379.66
  4. Step 4: Simplify right side
    52,253.03x = 2,046,436,772.49
  5. Step 5: Solve for x
    x = 2,046,436,772.49/52,253.03
  6. Step 6: Final answer
    x = 39,163.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.