Home / 43,690.20-65,521.41-14,101.16

Finding the Fourth Proportional to 43,690.20, 65,521.41 and 14,101.16

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Solution

The fourth proportional to 43,690.20, 65,521.41 and 14,101.16 is: 21,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.20 : 65,521.41 = 14,101.16 : x
  2. Step 2: Convert to fraction form
    43,690.20/65,521.41 = 14,101.16/x
  3. Step 3: Cross multiply
    43,690.20x = 65,521.41 × 14,101.16
  4. Step 4: Simplify right side
    43,690.20x = 923,927,505.35
  5. Step 5: Solve for x
    x = 923,927,505.35/43,690.20
  6. Step 6: Final answer
    x = 21,147.25

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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.