Home / 125,176.25-172,743.33-68,587.62

Finding the Fourth Proportional to 125,176.25, 172,743.33 and 68,587.62

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Solution

The fourth proportional to 125,176.25, 172,743.33 and 68,587.62 is: 94,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,176.25 : 172,743.33 = 68,587.62 : x
  2. Step 2: Convert to fraction form
    125,176.25/172,743.33 = 68,587.62/x
  3. Step 3: Cross multiply
    125,176.25x = 172,743.33 × 68,587.62
  4. Step 4: Simplify right side
    125,176.25x = 11,848,053,875.57
  5. Step 5: Solve for x
    x = 11,848,053,875.57/125,176.25
  6. Step 6: Final answer
    x = 94,650.98

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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.