Home / 68,768.87-94,905.57-38,556.17

Finding the Fourth Proportional to 68,768.87, 94,905.57 and 38,556.17

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Solution

The fourth proportional to 68,768.87, 94,905.57 and 38,556.17 is: 53,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,768.87 : 94,905.57 = 38,556.17 : x
  2. Step 2: Convert to fraction form
    68,768.87/94,905.57 = 38,556.17/x
  3. Step 3: Cross multiply
    68,768.87x = 94,905.57 × 38,556.17
  4. Step 4: Simplify right side
    68,768.87x = 3,659,194,816.34
  5. Step 5: Solve for x
    x = 3,659,194,816.34/68,768.87
  6. Step 6: Final answer
    x = 53,210.05

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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.