Home / 43,701.80-65,561.82-14,121.32

Finding the Fourth Proportional to 43,701.80, 65,561.82 and 14,121.32

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Solution

The fourth proportional to 43,701.80, 65,561.82 and 14,121.32 is: 21,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,701.80 : 65,561.82 = 14,121.32 : x
  2. Step 2: Convert to fraction form
    43,701.80/65,561.82 = 14,121.32/x
  3. Step 3: Cross multiply
    43,701.80x = 65,561.82 × 14,121.32
  4. Step 4: Simplify right side
    43,701.80x = 925,819,440.00
  5. Step 5: Solve for x
    x = 925,819,440.00/43,701.80
  6. Step 6: Final answer
    x = 21,184.93

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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.