Home / 125,257.22-172,854.60-68,668.64

Finding the Fourth Proportional to 125,257.22, 172,854.60 and 68,668.64

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Solution

The fourth proportional to 125,257.22, 172,854.60 and 68,668.64 is: 94,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,257.22 : 172,854.60 = 68,668.64 : x
  2. Step 2: Convert to fraction form
    125,257.22/172,854.60 = 68,668.64/x
  3. Step 3: Cross multiply
    125,257.22x = 172,854.60 × 68,668.64
  4. Step 4: Simplify right side
    125,257.22x = 11,869,690,299.74
  5. Step 5: Solve for x
    x = 11,869,690,299.74/125,257.22
  6. Step 6: Final answer
    x = 94,762.52

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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.