Home / 125,072.97-172,598.92-68,484.34

Finding the Fourth Proportional to 125,072.97, 172,598.92 and 68,484.34

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Solution

The fourth proportional to 125,072.97, 172,598.92 and 68,484.34 is: 94,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,072.97 : 172,598.92 = 68,484.34 : x
  2. Step 2: Convert to fraction form
    125,072.97/172,598.92 = 68,484.34/x
  3. Step 3: Cross multiply
    125,072.97x = 172,598.92 × 68,484.34
  4. Step 4: Simplify right side
    125,072.97x = 11,820,323,120.91
  5. Step 5: Solve for x
    x = 11,820,323,120.91/125,072.97
  6. Step 6: Final answer
    x = 94,507.42

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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.