Home / 42,945.66-64,436.85-22,183.74

Finding the Fourth Proportional to 42,945.66, 64,436.85 and 22,183.74

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Solution

The fourth proportional to 42,945.66, 64,436.85 and 22,183.74 is: 33,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,945.66 : 64,436.85 = 22,183.74 : x
  2. Step 2: Convert to fraction form
    42,945.66/64,436.85 = 22,183.74/x
  3. Step 3: Cross multiply
    42,945.66x = 64,436.85 × 22,183.74
  4. Step 4: Simplify right side
    42,945.66x = 1,429,450,326.82
  5. Step 5: Solve for x
    x = 1,429,450,326.82/42,945.66
  6. Step 6: Final answer
    x = 33,285.09

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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.