Home / 124,766.39-172,181.87-68,181.41

Finding the Fourth Proportional to 124,766.39, 172,181.87 and 68,181.41

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Solution

The fourth proportional to 124,766.39, 172,181.87 and 68,181.41 is: 94,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,766.39 : 172,181.87 = 68,181.41 : x
  2. Step 2: Convert to fraction form
    124,766.39/172,181.87 = 68,181.41/x
  3. Step 3: Cross multiply
    124,766.39x = 172,181.87 × 68,181.41
  4. Step 4: Simplify right side
    124,766.39x = 11,739,602,673.04
  5. Step 5: Solve for x
    x = 11,739,602,673.04/124,766.39
  6. Step 6: Final answer
    x = 94,092.67

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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.