Home / 52,669.86-78,993.09-15,221.76

Finding the Fourth Proportional to 52,669.86, 78,993.09 and 15,221.76

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Solution

The fourth proportional to 52,669.86, 78,993.09 and 15,221.76 is: 22,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.86 : 78,993.09 = 15,221.76 : x
  2. Step 2: Convert to fraction form
    52,669.86/78,993.09 = 15,221.76/x
  3. Step 3: Cross multiply
    52,669.86x = 78,993.09 × 15,221.76
  4. Step 4: Simplify right side
    52,669.86x = 1,202,413,857.64
  5. Step 5: Solve for x
    x = 1,202,413,857.64/52,669.86
  6. Step 6: Final answer
    x = 22,829.26

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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.