Home / 105,596.22-145,716.66-57,841.26

Finding the Fourth Proportional to 105,596.22, 145,716.66 and 57,841.26

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Solution

The fourth proportional to 105,596.22, 145,716.66 and 57,841.26 is: 79,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,596.22 : 145,716.66 = 57,841.26 : x
  2. Step 2: Convert to fraction form
    105,596.22/145,716.66 = 57,841.26/x
  3. Step 3: Cross multiply
    105,596.22x = 145,716.66 × 57,841.26
  4. Step 4: Simplify right side
    105,596.22x = 8,428,435,217.39
  5. Step 5: Solve for x
    x = 8,428,435,217.39/105,596.22
  6. Step 6: Final answer
    x = 79,817.58

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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.