Home / 55,769.60-83,580.56-40,908.94

Finding the Fourth Proportional to 55,769.60, 83,580.56 and 40,908.94

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Solution

The fourth proportional to 55,769.60, 83,580.56 and 40,908.94 is: 61,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.60 : 83,580.56 = 40,908.94 : x
  2. Step 2: Convert to fraction form
    55,769.60/83,580.56 = 40,908.94/x
  3. Step 3: Cross multiply
    55,769.60x = 83,580.56 × 40,908.94
  4. Step 4: Simplify right side
    55,769.60x = 3,419,192,114.21
  5. Step 5: Solve for x
    x = 3,419,192,114.21/55,769.60
  6. Step 6: Final answer
    x = 61,309.25

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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.