Home / 56,743.98-78,283.19-33,769.20

Finding the Fourth Proportional to 56,743.98, 78,283.19 and 33,769.20

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Solution

The fourth proportional to 56,743.98, 78,283.19 and 33,769.20 is: 46,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.98 : 78,283.19 = 33,769.20 : x
  2. Step 2: Convert to fraction form
    56,743.98/78,283.19 = 33,769.20/x
  3. Step 3: Cross multiply
    56,743.98x = 78,283.19 × 33,769.20
  4. Step 4: Simplify right side
    56,743.98x = 2,643,560,530.90
  5. Step 5: Solve for x
    x = 2,643,560,530.90/56,743.98
  6. Step 6: Final answer
    x = 46,587.51

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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.