Home / 49,109.68-67,769.16-28,693.63

Finding the Fourth Proportional to 49,109.68, 67,769.16 and 28,693.63

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Solution

The fourth proportional to 49,109.68, 67,769.16 and 28,693.63 is: 39,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,109.68 : 67,769.16 = 28,693.63 : x
  2. Step 2: Convert to fraction form
    49,109.68/67,769.16 = 28,693.63/x
  3. Step 3: Cross multiply
    49,109.68x = 67,769.16 × 28,693.63
  4. Step 4: Simplify right side
    49,109.68x = 1,944,543,202.45
  5. Step 5: Solve for x
    x = 1,944,543,202.45/49,109.68
  6. Step 6: Final answer
    x = 39,595.92

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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.