Home / 116,516.40-160,751.16-68,745.84

Finding the Fourth Proportional to 116,516.40, 160,751.16 and 68,745.84

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Solution

The fourth proportional to 116,516.40, 160,751.16 and 68,745.84 is: 94,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,516.40 : 160,751.16 = 68,745.84 : x
  2. Step 2: Convert to fraction form
    116,516.40/160,751.16 = 68,745.84/x
  3. Step 3: Cross multiply
    116,516.40x = 160,751.16 × 68,745.84
  4. Step 4: Simplify right side
    116,516.40x = 11,050,973,525.17
  5. Step 5: Solve for x
    x = 11,050,973,525.17/116,516.40
  6. Step 6: Final answer
    x = 94,844.79

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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.