Home / 77,203.20-106,536.96-43,668.48

Finding the Fourth Proportional to 77,203.20, 106,536.96 and 43,668.48

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Solution

The fourth proportional to 77,203.20, 106,536.96 and 43,668.48 is: 60,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,203.20 : 106,536.96 = 43,668.48 : x
  2. Step 2: Convert to fraction form
    77,203.20/106,536.96 = 43,668.48/x
  3. Step 3: Cross multiply
    77,203.20x = 106,536.96 × 43,668.48
  4. Step 4: Simplify right side
    77,203.20x = 4,652,307,107.02
  5. Step 5: Solve for x
    x = 4,652,307,107.02/77,203.20
  6. Step 6: Final answer
    x = 60,260.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.