Home / 77,087.60-106,398.66-50,183.25

Finding the Fourth Proportional to 77,087.60, 106,398.66 and 50,183.25

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Solution

The fourth proportional to 77,087.60, 106,398.66 and 50,183.25 is: 69,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.60 : 106,398.66 = 50,183.25 : x
  2. Step 2: Convert to fraction form
    77,087.60/106,398.66 = 50,183.25/x
  3. Step 3: Cross multiply
    77,087.60x = 106,398.66 × 50,183.25
  4. Step 4: Simplify right side
    77,087.60x = 5,339,430,554.45
  5. Step 5: Solve for x
    x = 5,339,430,554.45/77,087.60
  6. Step 6: Final answer
    x = 69,264.45

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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.