Home / 43,107.76-64,668.93-19,736.02

Finding the Fourth Proportional to 43,107.76, 64,668.93 and 19,736.02

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Solution

The fourth proportional to 43,107.76, 64,668.93 and 19,736.02 is: 29,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.76 : 64,668.93 = 19,736.02 : x
  2. Step 2: Convert to fraction form
    43,107.76/64,668.93 = 19,736.02/x
  3. Step 3: Cross multiply
    43,107.76x = 64,668.93 × 19,736.02
  4. Step 4: Simplify right side
    43,107.76x = 1,276,307,295.86
  5. Step 5: Solve for x
    x = 1,276,307,295.86/43,107.76
  6. Step 6: Final answer
    x = 29,607.37

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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.