Home / 43,052.34-64,578.42-11,887.50

Finding the Fourth Proportional to 43,052.34, 64,578.42 and 11,887.50

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Solution

The fourth proportional to 43,052.34, 64,578.42 and 11,887.50 is: 17,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,052.34 : 64,578.42 = 11,887.50 : x
  2. Step 2: Convert to fraction form
    43,052.34/64,578.42 = 11,887.50/x
  3. Step 3: Cross multiply
    43,052.34x = 64,578.42 × 11,887.50
  4. Step 4: Simplify right side
    43,052.34x = 767,675,967.75
  5. Step 5: Solve for x
    x = 767,675,967.75/43,052.34
  6. Step 6: Final answer
    x = 17,831.23

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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.