Home / 104,940.46-157,457.06-55,008.61

Finding the Fourth Proportional to 104,940.46, 157,457.06 and 55,008.61

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Solution

The fourth proportional to 104,940.46, 157,457.06 and 55,008.61 is: 82,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.46 : 157,457.06 = 55,008.61 : x
  2. Step 2: Convert to fraction form
    104,940.46/157,457.06 = 55,008.61/x
  3. Step 3: Cross multiply
    104,940.46x = 157,457.06 × 55,008.61
  4. Step 4: Simplify right side
    104,940.46x = 8,661,493,730.24
  5. Step 5: Solve for x
    x = 8,661,493,730.24/104,940.46
  6. Step 6: Final answer
    x = 82,537.22

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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.