Home / 62,936.16-94,381.76-20,808.47

Finding the Fourth Proportional to 62,936.16, 94,381.76 and 20,808.47

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Solution

The fourth proportional to 62,936.16, 94,381.76 and 20,808.47 is: 31,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,936.16 : 94,381.76 = 20,808.47 : x
  2. Step 2: Convert to fraction form
    62,936.16/94,381.76 = 20,808.47/x
  3. Step 3: Cross multiply
    62,936.16x = 94,381.76 × 20,808.47
  4. Step 4: Simplify right side
    62,936.16x = 1,963,939,661.54
  5. Step 5: Solve for x
    x = 1,963,939,661.54/62,936.16
  6. Step 6: Final answer
    x = 31,205.27

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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.