Home / 108,994.23-163,424.44-42,356.54

Finding the Fourth Proportional to 108,994.23, 163,424.44 and 42,356.54

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Solution

The fourth proportional to 108,994.23, 163,424.44 and 42,356.54 is: 63,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,994.23 : 163,424.44 = 42,356.54 : x
  2. Step 2: Convert to fraction form
    108,994.23/163,424.44 = 42,356.54/x
  3. Step 3: Cross multiply
    108,994.23x = 163,424.44 × 42,356.54
  4. Step 4: Simplify right side
    108,994.23x = 6,922,093,618.05
  5. Step 5: Solve for x
    x = 6,922,093,618.05/108,994.23
  6. Step 6: Final answer
    x = 63,508.81

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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.