Home / 52,747.47-79,112.61-19,483.20

Finding the Fourth Proportional to 52,747.47, 79,112.61 and 19,483.20

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Solution

The fourth proportional to 52,747.47, 79,112.61 and 19,483.20 is: 29,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.47 : 79,112.61 = 19,483.20 : x
  2. Step 2: Convert to fraction form
    52,747.47/79,112.61 = 19,483.20/x
  3. Step 3: Cross multiply
    52,747.47x = 79,112.61 × 19,483.20
  4. Step 4: Simplify right side
    52,747.47x = 1,541,366,803.15
  5. Step 5: Solve for x
    x = 1,541,366,803.15/52,747.47
  6. Step 6: Final answer
    x = 29,221.63

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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.