Home / 68,619.12-94,693.77-38,404.10

Finding the Fourth Proportional to 68,619.12, 94,693.77 and 38,404.10

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Solution

The fourth proportional to 68,619.12, 94,693.77 and 38,404.10 is: 52,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,619.12 : 94,693.77 = 38,404.10 : x
  2. Step 2: Convert to fraction form
    68,619.12/94,693.77 = 38,404.10/x
  3. Step 3: Cross multiply
    68,619.12x = 94,693.77 × 38,404.10
  4. Step 4: Simplify right side
    68,619.12x = 3,636,628,538.99
  5. Step 5: Solve for x
    x = 3,636,628,538.99/68,619.12
  6. Step 6: Final answer
    x = 52,997.31

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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.