Home / 102,567.97-141,412.22-84,103.04

Finding the Fourth Proportional to 102,567.97, 141,412.22 and 84,103.04

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Solution

The fourth proportional to 102,567.97, 141,412.22 and 84,103.04 is: 115,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,567.97 : 141,412.22 = 84,103.04 : x
  2. Step 2: Convert to fraction form
    102,567.97/141,412.22 = 84,103.04/x
  3. Step 3: Cross multiply
    102,567.97x = 141,412.22 × 84,103.04
  4. Step 4: Simplify right side
    102,567.97x = 11,893,197,209.29
  5. Step 5: Solve for x
    x = 11,893,197,209.29/102,567.97
  6. Step 6: Final answer
    x = 115,954.31

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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.