Home / 52,803.78-72,867.36-28,930.24

Finding the Fourth Proportional to 52,803.78, 72,867.36 and 28,930.24

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Solution

The fourth proportional to 52,803.78, 72,867.36 and 28,930.24 is: 39,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.78 : 72,867.36 = 28,930.24 : x
  2. Step 2: Convert to fraction form
    52,803.78/72,867.36 = 28,930.24/x
  3. Step 3: Cross multiply
    52,803.78x = 72,867.36 × 28,930.24
  4. Step 4: Simplify right side
    52,803.78x = 2,108,070,212.97
  5. Step 5: Solve for x
    x = 2,108,070,212.97/52,803.78
  6. Step 6: Final answer
    x = 39,922.71

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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.