Home / 68,380.36-94,328.34-47,170.12

Finding the Fourth Proportional to 68,380.36, 94,328.34 and 47,170.12

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Solution

The fourth proportional to 68,380.36, 94,328.34 and 47,170.12 is: 65,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380.36 : 94,328.34 = 47,170.12 : x
  2. Step 2: Convert to fraction form
    68,380.36/94,328.34 = 47,170.12/x
  3. Step 3: Cross multiply
    68,380.36x = 94,328.34 × 47,170.12
  4. Step 4: Simplify right side
    68,380.36x = 4,449,479,117.20
  5. Step 5: Solve for x
    x = 4,449,479,117.20/68,380.36
  6. Step 6: Final answer
    x = 65,069.55

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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.