Home / 68,445.30-94,453.52-38,231.06

Finding the Fourth Proportional to 68,445.30, 94,453.52 and 38,231.06

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Solution

The fourth proportional to 68,445.30, 94,453.52 and 38,231.06 is: 52,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445.30 : 94,453.52 = 38,231.06 : x
  2. Step 2: Convert to fraction form
    68,445.30/94,453.52 = 38,231.06/x
  3. Step 3: Cross multiply
    68,445.30x = 94,453.52 × 38,231.06
  4. Step 4: Simplify right side
    68,445.30x = 3,611,058,190.33
  5. Step 5: Solve for x
    x = 3,611,058,190.33/68,445.30
  6. Step 6: Final answer
    x = 52,758.31

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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.