Home / 43,151.22-64,696.75-19,122.44

Finding the Fourth Proportional to 43,151.22, 64,696.75 and 19,122.44

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Solution

The fourth proportional to 43,151.22, 64,696.75 and 19,122.44 is: 28,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.22 : 64,696.75 = 19,122.44 : x
  2. Step 2: Convert to fraction form
    43,151.22/64,696.75 = 19,122.44/x
  3. Step 3: Cross multiply
    43,151.22x = 64,696.75 × 19,122.44
  4. Step 4: Simplify right side
    43,151.22x = 1,237,159,591.39
  5. Step 5: Solve for x
    x = 1,237,159,591.39/43,151.22
  6. Step 6: Final answer
    x = 28,670.33

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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.