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Finding the Fourth Proportional to 68,064.44, 101,878.22 and 36,395.40

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Solution

The fourth proportional to 68,064.44, 101,878.22 and 36,395.40 is: 54,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,064.44 : 101,878.22 = 36,395.40 : x
  2. Step 2: Convert to fraction form
    68,064.44/101,878.22 = 36,395.40/x
  3. Step 3: Cross multiply
    68,064.44x = 101,878.22 × 36,395.40
  4. Step 4: Simplify right side
    68,064.44x = 3,707,898,568.19
  5. Step 5: Solve for x
    x = 3,707,898,568.19/68,064.44
  6. Step 6: Final answer
    x = 54,476.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.