Home / 75,347.14-103,979.19-41,355.85

Finding the Fourth Proportional to 75,347.14, 103,979.19 and 41,355.85

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Solution

The fourth proportional to 75,347.14, 103,979.19 and 41,355.85 is: 57,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,347.14 : 103,979.19 = 41,355.85 : x
  2. Step 2: Convert to fraction form
    75,347.14/103,979.19 = 41,355.85/x
  3. Step 3: Cross multiply
    75,347.14x = 103,979.19 × 41,355.85
  4. Step 4: Simplify right side
    75,347.14x = 4,300,147,784.76
  5. Step 5: Solve for x
    x = 4,300,147,784.76/75,347.14
  6. Step 6: Final answer
    x = 57,071.15

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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.