Home / 124,821.82-172,241.13-71,095.60

Finding the Fourth Proportional to 124,821.82, 172,241.13 and 71,095.60

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Solution

The fourth proportional to 124,821.82, 172,241.13 and 71,095.60 is: 98,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821.82 : 172,241.13 = 71,095.60 : x
  2. Step 2: Convert to fraction form
    124,821.82/172,241.13 = 71,095.60/x
  3. Step 3: Cross multiply
    124,821.82x = 172,241.13 × 71,095.60
  4. Step 4: Simplify right side
    124,821.82x = 12,245,586,482.03
  5. Step 5: Solve for x
    x = 12,245,586,482.03/124,821.82
  6. Step 6: Final answer
    x = 98,104.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.