Home / 68,829.13-103,221.83-46,784.17

Finding the Fourth Proportional to 68,829.13, 103,221.83 and 46,784.17

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Solution

The fourth proportional to 68,829.13, 103,221.83 and 46,784.17 is: 70,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829.13 : 103,221.83 = 46,784.17 : x
  2. Step 2: Convert to fraction form
    68,829.13/103,221.83 = 46,784.17/x
  3. Step 3: Cross multiply
    68,829.13x = 103,221.83 × 46,784.17
  4. Step 4: Simplify right side
    68,829.13x = 4,829,147,642.43
  5. Step 5: Solve for x
    x = 4,829,147,642.43/68,829.13
  6. Step 6: Final answer
    x = 70,161.39

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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.