Home / 43,188.63-64,790.97-15,108.02

Finding the Fourth Proportional to 43,188.63, 64,790.97 and 15,108.02

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Solution

The fourth proportional to 43,188.63, 64,790.97 and 15,108.02 is: 22,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.63 : 64,790.97 = 15,108.02 : x
  2. Step 2: Convert to fraction form
    43,188.63/64,790.97 = 15,108.02/x
  3. Step 3: Cross multiply
    43,188.63x = 64,790.97 × 15,108.02
  4. Step 4: Simplify right side
    43,188.63x = 978,863,270.58
  5. Step 5: Solve for x
    x = 978,863,270.58/43,188.63
  6. Step 6: Final answer
    x = 22,664.84

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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.