Home / 62,886.56-94,309.81-20,758.75

Finding the Fourth Proportional to 62,886.56, 94,309.81 and 20,758.75

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Solution

The fourth proportional to 62,886.56, 94,309.81 and 20,758.75 is: 31,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886.56 : 94,309.81 = 20,758.75 : x
  2. Step 2: Convert to fraction form
    62,886.56/94,309.81 = 20,758.75/x
  3. Step 3: Cross multiply
    62,886.56x = 94,309.81 × 20,758.75
  4. Step 4: Simplify right side
    62,886.56x = 1,957,753,480.67
  5. Step 5: Solve for x
    x = 1,957,753,480.67/62,886.56
  6. Step 6: Final answer
    x = 31,131.51

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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.