Home / 68,410.29-94,408.09-38,194.45

Finding the Fourth Proportional to 68,410.29, 94,408.09 and 38,194.45

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Solution

The fourth proportional to 68,410.29, 94,408.09 and 38,194.45 is: 52,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,410.29 : 94,408.09 = 38,194.45 : x
  2. Step 2: Convert to fraction form
    68,410.29/94,408.09 = 38,194.45/x
  3. Step 3: Cross multiply
    68,410.29x = 94,408.09 × 38,194.45
  4. Step 4: Simplify right side
    68,410.29x = 3,605,865,073.10
  5. Step 5: Solve for x
    x = 3,605,865,073.10/68,410.29
  6. Step 6: Final answer
    x = 52,709.40

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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.