Home / 117,059.16-161,541.45-66,082.62

Finding the Fourth Proportional to 117,059.16, 161,541.45 and 66,082.62

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Solution

The fourth proportional to 117,059.16, 161,541.45 and 66,082.62 is: 91,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,059.16 : 161,541.45 = 66,082.62 : x
  2. Step 2: Convert to fraction form
    117,059.16/161,541.45 = 66,082.62/x
  3. Step 3: Cross multiply
    117,059.16x = 161,541.45 × 66,082.62
  4. Step 4: Simplify right side
    117,059.16x = 10,675,082,254.60
  5. Step 5: Solve for x
    x = 10,675,082,254.60/117,059.16
  6. Step 6: Final answer
    x = 91,193.91

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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.