Home / 77,199.36-106,535.52-43,664.64

Finding the Fourth Proportional to 77,199.36, 106,535.52 and 43,664.64

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Solution

The fourth proportional to 77,199.36, 106,535.52 and 43,664.64 is: 60,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,199.36 : 106,535.52 = 43,664.64 : x
  2. Step 2: Convert to fraction form
    77,199.36/106,535.52 = 43,664.64/x
  3. Step 3: Cross multiply
    77,199.36x = 106,535.52 × 43,664.64
  4. Step 4: Simplify right side
    77,199.36x = 4,651,835,128.01
  5. Step 5: Solve for x
    x = 4,651,835,128.01/77,199.36
  6. Step 6: Final answer
    x = 60,257.43

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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.