Home / 43,167.86-64,680.51-19,742.66

Finding the Fourth Proportional to 43,167.86, 64,680.51 and 19,742.66

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Solution

The fourth proportional to 43,167.86, 64,680.51 and 19,742.66 is: 29,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,167.86 : 64,680.51 = 19,742.66 : x
  2. Step 2: Convert to fraction form
    43,167.86/64,680.51 = 19,742.66/x
  3. Step 3: Cross multiply
    43,167.86x = 64,680.51 × 19,742.66
  4. Step 4: Simplify right side
    43,167.86x = 1,276,965,317.56
  5. Step 5: Solve for x
    x = 1,276,965,317.56/43,167.86
  6. Step 6: Final answer
    x = 29,581.39

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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.