Home / 56,705.11-84,849.63-47,321.96

Finding the Fourth Proportional to 56,705.11, 84,849.63 and 47,321.96

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Solution

The fourth proportional to 56,705.11, 84,849.63 and 47,321.96 is: 70,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,705.11 : 84,849.63 = 47,321.96 : x
  2. Step 2: Convert to fraction form
    56,705.11/84,849.63 = 47,321.96/x
  3. Step 3: Cross multiply
    56,705.11x = 84,849.63 × 47,321.96
  4. Step 4: Simplify right side
    56,705.11x = 4,015,250,796.87
  5. Step 5: Solve for x
    x = 4,015,250,796.87/56,705.11
  6. Step 6: Final answer
    x = 70,809.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.