Home / 43,080.23-64,607.79-16,778.72

Finding the Fourth Proportional to 43,080.23, 64,607.79 and 16,778.72

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Solution

The fourth proportional to 43,080.23, 64,607.79 and 16,778.72 is: 25,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.23 : 64,607.79 = 16,778.72 : x
  2. Step 2: Convert to fraction form
    43,080.23/64,607.79 = 16,778.72/x
  3. Step 3: Cross multiply
    43,080.23x = 64,607.79 × 16,778.72
  4. Step 4: Simplify right side
    43,080.23x = 1,084,036,018.23
  5. Step 5: Solve for x
    x = 1,084,036,018.23/43,080.23
  6. Step 6: Final answer
    x = 25,163.19

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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.