Home / 55,769.68-76,948.92-31,570.96

Finding the Fourth Proportional to 55,769.68, 76,948.92 and 31,570.96

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Solution

The fourth proportional to 55,769.68, 76,948.92 and 31,570.96 is: 43,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.68 : 76,948.92 = 31,570.96 : x
  2. Step 2: Convert to fraction form
    55,769.68/76,948.92 = 31,570.96/x
  3. Step 3: Cross multiply
    55,769.68x = 76,948.92 × 31,570.96
  4. Step 4: Simplify right side
    55,769.68x = 2,429,351,275.36
  5. Step 5: Solve for x
    x = 2,429,351,275.36/55,769.68
  6. Step 6: Final answer
    x = 43,560.43

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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.