Home / 69,741.66-104,552.01-28,161.66

Finding the Fourth Proportional to 69,741.66, 104,552.01 and 28,161.66

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Solution

The fourth proportional to 69,741.66, 104,552.01 and 28,161.66 is: 42,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,741.66 : 104,552.01 = 28,161.66 : x
  2. Step 2: Convert to fraction form
    69,741.66/104,552.01 = 28,161.66/x
  3. Step 3: Cross multiply
    69,741.66x = 104,552.01 × 28,161.66
  4. Step 4: Simplify right side
    69,741.66x = 2,944,358,157.94
  5. Step 5: Solve for x
    x = 2,944,358,157.94/69,741.66
  6. Step 6: Final answer
    x = 42,218.07

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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.