Home / 117,583.22-162,266.98-66,606.54

Finding the Fourth Proportional to 117,583.22, 162,266.98 and 66,606.54

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Solution

The fourth proportional to 117,583.22, 162,266.98 and 66,606.54 is: 91,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,583.22 : 162,266.98 = 66,606.54 : x
  2. Step 2: Convert to fraction form
    117,583.22/162,266.98 = 66,606.54/x
  3. Step 3: Cross multiply
    117,583.22x = 162,266.98 × 66,606.54
  4. Step 4: Simplify right side
    117,583.22x = 10,808,042,094.05
  5. Step 5: Solve for x
    x = 10,808,042,094.05/117,583.22
  6. Step 6: Final answer
    x = 91,918.24

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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.