Home / 68,165.15-94,043.55-39,469.14

Finding the Fourth Proportional to 68,165.15, 94,043.55 and 39,469.14

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Solution

The fourth proportional to 68,165.15, 94,043.55 and 39,469.14 is: 54,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,165.15 : 94,043.55 = 39,469.14 : x
  2. Step 2: Convert to fraction form
    68,165.15/94,043.55 = 39,469.14/x
  3. Step 3: Cross multiply
    68,165.15x = 94,043.55 × 39,469.14
  4. Step 4: Simplify right side
    68,165.15x = 3,711,818,041.05
  5. Step 5: Solve for x
    x = 3,711,818,041.05/68,165.15
  6. Step 6: Final answer
    x = 54,453.31

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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.