Home / 125,083.04-172,611.60-68,496.80

Finding the Fourth Proportional to 125,083.04, 172,611.60 and 68,496.80

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Solution

The fourth proportional to 125,083.04, 172,611.60 and 68,496.80 is: 94,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,083.04 : 172,611.60 = 68,496.80 : x
  2. Step 2: Convert to fraction form
    125,083.04/172,611.60 = 68,496.80/x
  3. Step 3: Cross multiply
    125,083.04x = 172,611.60 × 68,496.80
  4. Step 4: Simplify right side
    125,083.04x = 11,823,342,242.88
  5. Step 5: Solve for x
    x = 11,823,342,242.88/125,083.04
  6. Step 6: Final answer
    x = 94,523.94

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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.