Home / 74,976.48-103,477.68-43,144.56

Finding the Fourth Proportional to 74,976.48, 103,477.68 and 43,144.56

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Solution

The fourth proportional to 74,976.48, 103,477.68 and 43,144.56 is: 59,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.48 : 103,477.68 = 43,144.56 : x
  2. Step 2: Convert to fraction form
    74,976.48/103,477.68 = 43,144.56/x
  3. Step 3: Cross multiply
    74,976.48x = 103,477.68 × 43,144.56
  4. Step 4: Simplify right side
    74,976.48x = 4,464,498,973.42
  5. Step 5: Solve for x
    x = 4,464,498,973.42/74,976.48
  6. Step 6: Final answer
    x = 59,545.33

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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.