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Finding the Fourth Proportional to 68,433.65, 94,480.19 and 64,198.16

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Solution

The fourth proportional to 68,433.65, 94,480.19 and 64,198.16 is: 88,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,433.65 : 94,480.19 = 64,198.16 : x
  2. Step 2: Convert to fraction form
    68,433.65/94,480.19 = 64,198.16/x
  3. Step 3: Cross multiply
    68,433.65x = 94,480.19 × 64,198.16
  4. Step 4: Simplify right side
    68,433.65x = 6,065,454,354.45
  5. Step 5: Solve for x
    x = 6,065,454,354.45/68,433.65
  6. Step 6: Final answer
    x = 88,632.63

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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.