Home / 68,399.68-94,396.32-38,190.94

Finding the Fourth Proportional to 68,399.68, 94,396.32 and 38,190.94

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Solution

The fourth proportional to 68,399.68, 94,396.32 and 38,190.94 is: 52,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,399.68 : 94,396.32 = 38,190.94 : x
  2. Step 2: Convert to fraction form
    68,399.68/94,396.32 = 38,190.94/x
  3. Step 3: Cross multiply
    68,399.68x = 94,396.32 × 38,190.94
  4. Step 4: Simplify right side
    68,399.68x = 3,605,084,193.34
  5. Step 5: Solve for x
    x = 3,605,084,193.34/68,399.68
  6. Step 6: Final answer
    x = 52,706.16

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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.