Home / 62,661.06-86,472.09-35,811.90

Finding the Fourth Proportional to 62,661.06, 86,472.09 and 35,811.90

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Solution

The fourth proportional to 62,661.06, 86,472.09 and 35,811.90 is: 49,420.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,661.06 : 86,472.09 = 35,811.90 : x
  2. Step 2: Convert to fraction form
    62,661.06/86,472.09 = 35,811.90/x
  3. Step 3: Cross multiply
    62,661.06x = 86,472.09 × 35,811.90
  4. Step 4: Simplify right side
    62,661.06x = 3,096,729,839.87
  5. Step 5: Solve for x
    x = 3,096,729,839.87/62,661.06
  6. Step 6: Final answer
    x = 49,420.32

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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.