Home / 43,985.44-65,977.20-10,705.68

Finding the Fourth Proportional to 43,985.44, 65,977.20 and 10,705.68

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Solution

The fourth proportional to 43,985.44, 65,977.20 and 10,705.68 is: 16,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,985.44 : 65,977.20 = 10,705.68 : x
  2. Step 2: Convert to fraction form
    43,985.44/65,977.20 = 10,705.68/x
  3. Step 3: Cross multiply
    43,985.44x = 65,977.20 × 10,705.68
  4. Step 4: Simplify right side
    43,985.44x = 706,330,790.50
  5. Step 5: Solve for x
    x = 706,330,790.50/43,985.44
  6. Step 6: Final answer
    x = 16,058.29

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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.