Home / 125,255.22-172,851.84-68,666.64

Finding the Fourth Proportional to 125,255.22, 172,851.84 and 68,666.64

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Solution

The fourth proportional to 125,255.22, 172,851.84 and 68,666.64 is: 94,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,255.22 : 172,851.84 = 68,666.64 : x
  2. Step 2: Convert to fraction form
    125,255.22/172,851.84 = 68,666.64/x
  3. Step 3: Cross multiply
    125,255.22x = 172,851.84 × 68,666.64
  4. Step 4: Simplify right side
    125,255.22x = 11,869,155,070.62
  5. Step 5: Solve for x
    x = 11,869,155,070.62/125,255.22
  6. Step 6: Final answer
    x = 94,759.76

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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.