Home / 117,571.89-162,247.77-66,583.20

Finding the Fourth Proportional to 117,571.89, 162,247.77 and 66,583.20

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Solution

The fourth proportional to 117,571.89, 162,247.77 and 66,583.20 is: 91,884.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,571.89 : 162,247.77 = 66,583.20 : x
  2. Step 2: Convert to fraction form
    117,571.89/162,247.77 = 66,583.20/x
  3. Step 3: Cross multiply
    117,571.89x = 162,247.77 × 66,583.20
  4. Step 4: Simplify right side
    117,571.89x = 10,802,975,719.46
  5. Step 5: Solve for x
    x = 10,802,975,719.46/117,571.89
  6. Step 6: Final answer
    x = 91,884.00

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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.