Home / 125,058.04-172,577.10-68,471.80

Finding the Fourth Proportional to 125,058.04, 172,577.10 and 68,471.80

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Solution

The fourth proportional to 125,058.04, 172,577.10 and 68,471.80 is: 94,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,058.04 : 172,577.10 = 68,471.80 : x
  2. Step 2: Convert to fraction form
    125,058.04/172,577.10 = 68,471.80/x
  3. Step 3: Cross multiply
    125,058.04x = 172,577.10 × 68,471.80
  4. Step 4: Simplify right side
    125,058.04x = 11,816,664,675.78
  5. Step 5: Solve for x
    x = 11,816,664,675.78/125,058.04
  6. Step 6: Final answer
    x = 94,489.44

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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.