Home / 43,404.56-65,116.86-13,417.66

Finding the Fourth Proportional to 43,404.56, 65,116.86 and 13,417.66

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Solution

The fourth proportional to 43,404.56, 65,116.86 and 13,417.66 is: 20,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.56 : 65,116.86 = 13,417.66 : x
  2. Step 2: Convert to fraction form
    43,404.56/65,116.86 = 13,417.66/x
  3. Step 3: Cross multiply
    43,404.56x = 65,116.86 × 13,417.66
  4. Step 4: Simplify right side
    43,404.56x = 873,715,887.75
  5. Step 5: Solve for x
    x = 873,715,887.75/43,404.56
  6. Step 6: Final answer
    x = 20,129.59

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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.