Home / 68,796.12-94,930.70-38,581.50

Finding the Fourth Proportional to 68,796.12, 94,930.70 and 38,581.50

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Solution

The fourth proportional to 68,796.12, 94,930.70 and 38,581.50 is: 53,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,796.12 : 94,930.70 = 38,581.50 : x
  2. Step 2: Convert to fraction form
    68,796.12/94,930.70 = 38,581.50/x
  3. Step 3: Cross multiply
    68,796.12x = 94,930.70 × 38,581.50
  4. Step 4: Simplify right side
    68,796.12x = 3,662,568,802.05
  5. Step 5: Solve for x
    x = 3,662,568,802.05/68,796.12
  6. Step 6: Final answer
    x = 53,238.01

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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.