Home / 43,253.26-64,909-15,173.58

Finding the Fourth Proportional to 43,253.26, 64,909 and 15,173.58

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Solution

The fourth proportional to 43,253.26, 64,909 and 15,173.58 is: 22,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,253.26 : 64,909 = 15,173.58 : x
  2. Step 2: Convert to fraction form
    43,253.26/64,909 = 15,173.58/x
  3. Step 3: Cross multiply
    43,253.26x = 64,909 × 15,173.58
  4. Step 4: Simplify right side
    43,253.26x = 984,901,904.22
  5. Step 5: Solve for x
    x = 984,901,904.22/43,253.26
  6. Step 6: Final answer
    x = 22,770.58

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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.