Home / 116,472.38-160,720.75-68,085.64

Finding the Fourth Proportional to 116,472.38, 160,720.75 and 68,085.64

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Solution

The fourth proportional to 116,472.38, 160,720.75 and 68,085.64 is: 93,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,472.38 : 160,720.75 = 68,085.64 : x
  2. Step 2: Convert to fraction form
    116,472.38/160,720.75 = 68,085.64/x
  3. Step 3: Cross multiply
    116,472.38x = 160,720.75 × 68,085.64
  4. Step 4: Simplify right side
    116,472.38x = 10,942,775,125.03
  5. Step 5: Solve for x
    x = 10,942,775,125.03/116,472.38
  6. Step 6: Final answer
    x = 93,951.67

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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.