Home / 52,079.52-78,103.14-18,795.26

Finding the Fourth Proportional to 52,079.52, 78,103.14 and 18,795.26

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Solution

The fourth proportional to 52,079.52, 78,103.14 and 18,795.26 is: 28,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.52 : 78,103.14 = 18,795.26 : x
  2. Step 2: Convert to fraction form
    52,079.52/78,103.14 = 18,795.26/x
  3. Step 3: Cross multiply
    52,079.52x = 78,103.14 × 18,795.26
  4. Step 4: Simplify right side
    52,079.52x = 1,467,969,053.62
  5. Step 5: Solve for x
    x = 1,467,969,053.62/52,079.52
  6. Step 6: Final answer
    x = 28,187.07

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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.