Home / 117,087.85-161,541.39-66,094.57

Finding the Fourth Proportional to 117,087.85, 161,541.39 and 66,094.57

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Solution

The fourth proportional to 117,087.85, 161,541.39 and 66,094.57 is: 91,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,087.85 : 161,541.39 = 66,094.57 : x
  2. Step 2: Convert to fraction form
    117,087.85/161,541.39 = 66,094.57/x
  3. Step 3: Cross multiply
    117,087.85x = 161,541.39 × 66,094.57
  4. Step 4: Simplify right side
    117,087.85x = 10,677,008,709.25
  5. Step 5: Solve for x
    x = 10,677,008,709.25/117,087.85
  6. Step 6: Final answer
    x = 91,188.02

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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.