Home / 68,197.20-94,103.85-39,124.06

Finding the Fourth Proportional to 68,197.20, 94,103.85 and 39,124.06

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Solution

The fourth proportional to 68,197.20, 94,103.85 and 39,124.06 is: 53,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,197.20 : 94,103.85 = 39,124.06 : x
  2. Step 2: Convert to fraction form
    68,197.20/94,103.85 = 39,124.06/x
  3. Step 3: Cross multiply
    68,197.20x = 94,103.85 × 39,124.06
  4. Step 4: Simplify right side
    68,197.20x = 3,681,724,585.09
  5. Step 5: Solve for x
    x = 3,681,724,585.09/68,197.20
  6. Step 6: Final answer
    x = 53,986.45

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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.