Home / 68,914.13-103,395.83-33,878.39

Finding the Fourth Proportional to 68,914.13, 103,395.83 and 33,878.39

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Solution

The fourth proportional to 68,914.13, 103,395.83 and 33,878.39 is: 50,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,914.13 : 103,395.83 = 33,878.39 : x
  2. Step 2: Convert to fraction form
    68,914.13/103,395.83 = 33,878.39/x
  3. Step 3: Cross multiply
    68,914.13x = 103,395.83 × 33,878.39
  4. Step 4: Simplify right side
    68,914.13x = 3,502,883,566.74
  5. Step 5: Solve for x
    x = 3,502,883,566.74/68,914.13
  6. Step 6: Final answer
    x = 50,829.69

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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.