Home / 71,297.91-98,286.30-54,272.49

Finding the Fourth Proportional to 71,297.91, 98,286.30 and 54,272.49

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Solution

The fourth proportional to 71,297.91, 98,286.30 and 54,272.49 is: 74,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,297.91 : 98,286.30 = 54,272.49 : x
  2. Step 2: Convert to fraction form
    71,297.91/98,286.30 = 54,272.49/x
  3. Step 3: Cross multiply
    71,297.91x = 98,286.30 × 54,272.49
  4. Step 4: Simplify right side
    71,297.91x = 5,334,242,233.89
  5. Step 5: Solve for x
    x = 5,334,242,233.89/71,297.91
  6. Step 6: Final answer
    x = 74,816.25

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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.