Home / 52,177.52-78,272.36-18,913.24

Finding the Fourth Proportional to 52,177.52, 78,272.36 and 18,913.24

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Solution

The fourth proportional to 52,177.52, 78,272.36 and 18,913.24 is: 28,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177.52 : 78,272.36 = 18,913.24 : x
  2. Step 2: Convert to fraction form
    52,177.52/78,272.36 = 18,913.24/x
  3. Step 3: Cross multiply
    52,177.52x = 78,272.36 × 18,913.24
  4. Step 4: Simplify right side
    52,177.52x = 1,480,383,930.05
  5. Step 5: Solve for x
    x = 1,480,383,930.05/52,177.52
  6. Step 6: Final answer
    x = 28,372.06

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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.