Home / 124,770.92-172,181.04-68,182.64

Finding the Fourth Proportional to 124,770.92, 172,181.04 and 68,182.64

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Solution

The fourth proportional to 124,770.92, 172,181.04 and 68,182.64 is: 94,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770.92 : 172,181.04 = 68,182.64 : x
  2. Step 2: Convert to fraction form
    124,770.92/172,181.04 = 68,182.64/x
  3. Step 3: Cross multiply
    124,770.92x = 172,181.04 × 68,182.64
  4. Step 4: Simplify right side
    124,770.92x = 11,739,757,865.15
  5. Step 5: Solve for x
    x = 11,739,757,865.15/124,770.92
  6. Step 6: Final answer
    x = 94,090.50

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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.