Home / 55,747.32-76,743.72-48,297.12

Finding the Fourth Proportional to 55,747.32, 76,743.72 and 48,297.12

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Solution

The fourth proportional to 55,747.32, 76,743.72 and 48,297.12 is: 66,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.32 : 76,743.72 = 48,297.12 : x
  2. Step 2: Convert to fraction form
    55,747.32/76,743.72 = 48,297.12/x
  3. Step 3: Cross multiply
    55,747.32x = 76,743.72 × 48,297.12
  4. Step 4: Simplify right side
    55,747.32x = 3,706,500,654.09
  5. Step 5: Solve for x
    x = 3,706,500,654.09/55,747.32
  6. Step 6: Final answer
    x = 66,487.51

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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.