Home / 52,769.94-72,819.18-28,896.90

Finding the Fourth Proportional to 52,769.94, 72,819.18 and 28,896.90

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Solution

The fourth proportional to 52,769.94, 72,819.18 and 28,896.90 is: 39,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.94 : 72,819.18 = 28,896.90 : x
  2. Step 2: Convert to fraction form
    52,769.94/72,819.18 = 28,896.90/x
  3. Step 3: Cross multiply
    52,769.94x = 72,819.18 × 28,896.90
  4. Step 4: Simplify right side
    52,769.94x = 2,104,248,562.54
  5. Step 5: Solve for x
    x = 2,104,248,562.54/52,769.94
  6. Step 6: Final answer
    x = 39,875.89

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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.