Home / 52,747.20-72,790.65-28,873.80

Finding the Fourth Proportional to 52,747.20, 72,790.65 and 28,873.80

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Solution

The fourth proportional to 52,747.20, 72,790.65 and 28,873.80 is: 39,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.20 : 72,790.65 = 28,873.80 : x
  2. Step 2: Convert to fraction form
    52,747.20/72,790.65 = 28,873.80/x
  3. Step 3: Cross multiply
    52,747.20x = 72,790.65 × 28,873.80
  4. Step 4: Simplify right side
    52,747.20x = 2,101,742,669.97
  5. Step 5: Solve for x
    x = 2,101,742,669.97/52,747.20
  6. Step 6: Final answer
    x = 39,845.58

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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.