Home / 113,181.21-169,808.58-54,009.18

Finding the Fourth Proportional to 113,181.21, 169,808.58 and 54,009.18

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Solution

The fourth proportional to 113,181.21, 169,808.58 and 54,009.18 is: 81,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,181.21 : 169,808.58 = 54,009.18 : x
  2. Step 2: Convert to fraction form
    113,181.21/169,808.58 = 54,009.18/x
  3. Step 3: Cross multiply
    113,181.21x = 169,808.58 × 54,009.18
  4. Step 4: Simplify right side
    113,181.21x = 9,171,222,162.76
  5. Step 5: Solve for x
    x = 9,171,222,162.76/113,181.21
  6. Step 6: Final answer
    x = 81,031.31

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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.