Home / 42,824.14-64,231.59-11,237.38

Finding the Fourth Proportional to 42,824.14, 64,231.59 and 11,237.38

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Solution

The fourth proportional to 42,824.14, 64,231.59 and 11,237.38 is: 16,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,824.14 : 64,231.59 = 11,237.38 : x
  2. Step 2: Convert to fraction form
    42,824.14/64,231.59 = 11,237.38/x
  3. Step 3: Cross multiply
    42,824.14x = 64,231.59 × 11,237.38
  4. Step 4: Simplify right side
    42,824.14x = 721,794,582.12
  5. Step 5: Solve for x
    x = 721,794,582.12/42,824.14
  6. Step 6: Final answer
    x = 16,854.85

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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.