Home / 52,769.80-79,142.28-15,319.99

Finding the Fourth Proportional to 52,769.80, 79,142.28 and 15,319.99

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Solution

The fourth proportional to 52,769.80, 79,142.28 and 15,319.99 is: 22,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.80 : 79,142.28 = 15,319.99 : x
  2. Step 2: Convert to fraction form
    52,769.80/79,142.28 = 15,319.99/x
  3. Step 3: Cross multiply
    52,769.80x = 79,142.28 × 15,319.99
  4. Step 4: Simplify right side
    52,769.80x = 1,212,458,938.18
  5. Step 5: Solve for x
    x = 1,212,458,938.18/52,769.80
  6. Step 6: Final answer
    x = 22,976.38

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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.