Home / 43,317.90-64,976.46-13,734.96

Finding the Fourth Proportional to 43,317.90, 64,976.46 and 13,734.96

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Solution

The fourth proportional to 43,317.90, 64,976.46 and 13,734.96 is: 20,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.90 : 64,976.46 = 13,734.96 : x
  2. Step 2: Convert to fraction form
    43,317.90/64,976.46 = 13,734.96/x
  3. Step 3: Cross multiply
    43,317.90x = 64,976.46 × 13,734.96
  4. Step 4: Simplify right side
    43,317.90x = 892,449,079.04
  5. Step 5: Solve for x
    x = 892,449,079.04/43,317.90
  6. Step 6: Final answer
    x = 20,602.32

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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.