Home / 70,821.44-105,940.32-58,199.36

Finding the Fourth Proportional to 70,821.44, 105,940.32 and 58,199.36

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Solution

The fourth proportional to 70,821.44, 105,940.32 and 58,199.36 is: 87,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,821.44 : 105,940.32 = 58,199.36 : x
  2. Step 2: Convert to fraction form
    70,821.44/105,940.32 = 58,199.36/x
  3. Step 3: Cross multiply
    70,821.44x = 105,940.32 × 58,199.36
  4. Step 4: Simplify right side
    70,821.44x = 6,165,658,822.20
  5. Step 5: Solve for x
    x = 6,165,658,822.20/70,821.44
  6. Step 6: Final answer
    x = 87,059.21

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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.