Home / 98,169.09-147,169.31-34,118.91

Finding the Fourth Proportional to 98,169.09, 147,169.31 and 34,118.91

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Solution

The fourth proportional to 98,169.09, 147,169.31 and 34,118.91 is: 51,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,169.09 : 147,169.31 = 34,118.91 : x
  2. Step 2: Convert to fraction form
    98,169.09/147,169.31 = 34,118.91/x
  3. Step 3: Cross multiply
    98,169.09x = 147,169.31 × 34,118.91
  4. Step 4: Simplify right side
    98,169.09x = 5,021,256,823.94
  5. Step 5: Solve for x
    x = 5,021,256,823.94/98,169.09
  6. Step 6: Final answer
    x = 51,149.06

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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.