Home / 68,385.11-94,371.56-38,170.43

Finding the Fourth Proportional to 68,385.11, 94,371.56 and 38,170.43

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Solution

The fourth proportional to 68,385.11, 94,371.56 and 38,170.43 is: 52,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.11 : 94,371.56 = 38,170.43 : x
  2. Step 2: Convert to fraction form
    68,385.11/94,371.56 = 38,170.43/x
  3. Step 3: Cross multiply
    68,385.11x = 94,371.56 × 38,170.43
  4. Step 4: Simplify right side
    68,385.11x = 3,602,202,362.26
  5. Step 5: Solve for x
    x = 3,602,202,362.26/68,385.11
  6. Step 6: Final answer
    x = 52,675.25

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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.