Home / 43,052.72-64,578.98-11,887.88

Finding the Fourth Proportional to 43,052.72, 64,578.98 and 11,887.88

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Solution

The fourth proportional to 43,052.72, 64,578.98 and 11,887.88 is: 17,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,052.72 : 64,578.98 = 11,887.88 : x
  2. Step 2: Convert to fraction form
    43,052.72/64,578.98 = 11,887.88/x
  3. Step 3: Cross multiply
    43,052.72x = 64,578.98 × 11,887.88
  4. Step 4: Simplify right side
    43,052.72x = 767,706,871.59
  5. Step 5: Solve for x
    x = 767,706,871.59/43,052.72
  6. Step 6: Final answer
    x = 17,831.79

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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.