Home / 105,772.44-145,972.62-58,025.88

Finding the Fourth Proportional to 105,772.44, 145,972.62 and 58,025.88

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Solution

The fourth proportional to 105,772.44, 145,972.62 and 58,025.88 is: 80,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,772.44 : 145,972.62 = 58,025.88 : x
  2. Step 2: Convert to fraction form
    105,772.44/145,972.62 = 58,025.88/x
  3. Step 3: Cross multiply
    105,772.44x = 145,972.62 × 58,025.88
  4. Step 4: Simplify right side
    105,772.44x = 8,470,189,731.41
  5. Step 5: Solve for x
    x = 8,470,189,731.41/105,772.44
  6. Step 6: Final answer
    x = 80,079.36

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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.