Home / 43,102.12-64,600.86-18,132.52

Finding the Fourth Proportional to 43,102.12, 64,600.86 and 18,132.52

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Solution

The fourth proportional to 43,102.12, 64,600.86 and 18,132.52 is: 27,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.12 : 64,600.86 = 18,132.52 : x
  2. Step 2: Convert to fraction form
    43,102.12/64,600.86 = 18,132.52/x
  3. Step 3: Cross multiply
    43,102.12x = 64,600.86 × 18,132.52
  4. Step 4: Simplify right side
    43,102.12x = 1,171,376,385.97
  5. Step 5: Solve for x
    x = 1,171,376,385.97/43,102.12
  6. Step 6: Final answer
    x = 27,176.77

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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.