Home / 43,501.59-65,249.98-11,909.36

Finding the Fourth Proportional to 43,501.59, 65,249.98 and 11,909.36

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Solution

The fourth proportional to 43,501.59, 65,249.98 and 11,909.36 is: 17,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.59 : 65,249.98 = 11,909.36 : x
  2. Step 2: Convert to fraction form
    43,501.59/65,249.98 = 11,909.36/x
  3. Step 3: Cross multiply
    43,501.59x = 65,249.98 × 11,909.36
  4. Step 4: Simplify right side
    43,501.59x = 777,085,501.81
  5. Step 5: Solve for x
    x = 777,085,501.81/43,501.59
  6. Step 6: Final answer
    x = 17,863.38

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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.