Home / 75,571.30-104,289.27-43,305.28

Finding the Fourth Proportional to 75,571.30, 104,289.27 and 43,305.28

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Solution

The fourth proportional to 75,571.30, 104,289.27 and 43,305.28 is: 59,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,571.30 : 104,289.27 = 43,305.28 : x
  2. Step 2: Convert to fraction form
    75,571.30/104,289.27 = 43,305.28/x
  3. Step 3: Cross multiply
    75,571.30x = 104,289.27 × 43,305.28
  4. Step 4: Simplify right side
    75,571.30x = 4,516,276,038.35
  5. Step 5: Solve for x
    x = 4,516,276,038.35/75,571.30
  6. Step 6: Final answer
    x = 59,761.79

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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.