Home / 55,743.32-76,738.20-48,293.12

Finding the Fourth Proportional to 55,743.32, 76,738.20 and 48,293.12

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Solution

The fourth proportional to 55,743.32, 76,738.20 and 48,293.12 is: 66,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.32 : 76,738.20 = 48,293.12 : x
  2. Step 2: Convert to fraction form
    55,743.32/76,738.20 = 48,293.12/x
  3. Step 3: Cross multiply
    55,743.32x = 76,738.20 × 48,293.12
  4. Step 4: Simplify right side
    55,743.32x = 3,705,927,101.18
  5. Step 5: Solve for x
    x = 3,705,927,101.18/55,743.32
  6. Step 6: Final answer
    x = 66,481.99

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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.