Home / 108,943.60-163,185.66-49,829.08

Finding the Fourth Proportional to 108,943.60, 163,185.66 and 49,829.08

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Solution

The fourth proportional to 108,943.60, 163,185.66 and 49,829.08 is: 74,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.60 : 163,185.66 = 49,829.08 : x
  2. Step 2: Convert to fraction form
    108,943.60/163,185.66 = 49,829.08/x
  3. Step 3: Cross multiply
    108,943.60x = 163,185.66 × 49,829.08
  4. Step 4: Simplify right side
    108,943.60x = 8,131,391,306.99
  5. Step 5: Solve for x
    x = 8,131,391,306.99/108,943.60
  6. Step 6: Final answer
    x = 74,638.54

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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.