Home / 43,057.86-64,596.16-18,083.66

Finding the Fourth Proportional to 43,057.86, 64,596.16 and 18,083.66

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Solution

The fourth proportional to 43,057.86, 64,596.16 and 18,083.66 is: 27,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,057.86 : 64,596.16 = 18,083.66 : x
  2. Step 2: Convert to fraction form
    43,057.86/64,596.16 = 18,083.66/x
  3. Step 3: Cross multiply
    43,057.86x = 64,596.16 × 18,083.66
  4. Step 4: Simplify right side
    43,057.86x = 1,168,134,994.75
  5. Step 5: Solve for x
    x = 1,168,134,994.75/43,057.86
  6. Step 6: Final answer
    x = 27,129.43

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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.