Home / 49,406.76-68,181.12-28,192.68

Finding the Fourth Proportional to 49,406.76, 68,181.12 and 28,192.68

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Solution

The fourth proportional to 49,406.76, 68,181.12 and 28,192.68 is: 38,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,406.76 : 68,181.12 = 28,192.68 : x
  2. Step 2: Convert to fraction form
    49,406.76/68,181.12 = 28,192.68/x
  3. Step 3: Cross multiply
    49,406.76x = 68,181.12 × 28,192.68
  4. Step 4: Simplify right side
    49,406.76x = 1,922,208,498.20
  5. Step 5: Solve for x
    x = 1,922,208,498.20/49,406.76
  6. Step 6: Final answer
    x = 38,905.78

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1.5x scale

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.