Home / 68,300.10-94,251.66-39,620.33

Finding the Fourth Proportional to 68,300.10, 94,251.66 and 39,620.33

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Solution

The fourth proportional to 68,300.10, 94,251.66 and 39,620.33 is: 54,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,300.10 : 94,251.66 = 39,620.33 : x
  2. Step 2: Convert to fraction form
    68,300.10/94,251.66 = 39,620.33/x
  3. Step 3: Cross multiply
    68,300.10x = 94,251.66 × 39,620.33
  4. Step 4: Simplify right side
    68,300.10x = 3,734,281,872.25
  5. Step 5: Solve for x
    x = 3,734,281,872.25/68,300.10
  6. Step 6: Final answer
    x = 54,674.62

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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.