Home / 123,884.71-171,013.22-83,652.96

Finding the Fourth Proportional to 123,884.71, 171,013.22 and 83,652.96

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Solution

The fourth proportional to 123,884.71, 171,013.22 and 83,652.96 is: 115,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,884.71 : 171,013.22 = 83,652.96 : x
  2. Step 2: Convert to fraction form
    123,884.71/171,013.22 = 83,652.96/x
  3. Step 3: Cross multiply
    123,884.71x = 171,013.22 × 83,652.96
  4. Step 4: Simplify right side
    123,884.71x = 14,305,762,052.13
  5. Step 5: Solve for x
    x = 14,305,762,052.13/123,884.71
  6. Step 6: Final answer
    x = 115,476.41

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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.