Home / 98,629.23-147,771.62-82,095.51

Finding the Fourth Proportional to 98,629.23, 147,771.62 and 82,095.51

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Solution

The fourth proportional to 98,629.23, 147,771.62 and 82,095.51 is: 122,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.23 : 147,771.62 = 82,095.51 : x
  2. Step 2: Convert to fraction form
    98,629.23/147,771.62 = 82,095.51/x
  3. Step 3: Cross multiply
    98,629.23x = 147,771.62 × 82,095.51
  4. Step 4: Simplify right side
    98,629.23x = 12,131,386,507.43
  5. Step 5: Solve for x
    x = 12,131,386,507.43/98,629.23
  6. Step 6: Final answer
    x = 122,999.91

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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.