Home / 108,782.74-163,144.41-29,878.21

Finding the Fourth Proportional to 108,782.74, 163,144.41 and 29,878.21

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Solution

The fourth proportional to 108,782.74, 163,144.41 and 29,878.21 is: 44,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,782.74 : 163,144.41 = 29,878.21 : x
  2. Step 2: Convert to fraction form
    108,782.74/163,144.41 = 29,878.21/x
  3. Step 3: Cross multiply
    108,782.74x = 163,144.41 × 29,878.21
  4. Step 4: Simplify right side
    108,782.74x = 4,874,462,942.31
  5. Step 5: Solve for x
    x = 4,874,462,942.31/108,782.74
  6. Step 6: Final answer
    x = 44,809.16

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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.