Home / 116,961.19-161,407.41-64,574.85

Finding the Fourth Proportional to 116,961.19, 161,407.41 and 64,574.85

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Solution

The fourth proportional to 116,961.19, 161,407.41 and 64,574.85 is: 89,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,961.19 : 161,407.41 = 64,574.85 : x
  2. Step 2: Convert to fraction form
    116,961.19/161,407.41 = 64,574.85/x
  3. Step 3: Cross multiply
    116,961.19x = 161,407.41 × 64,574.85
  4. Step 4: Simplify right side
    116,961.19x = 10,422,859,289.64
  5. Step 5: Solve for x
    x = 10,422,859,289.64/116,961.19
  6. Step 6: Final answer
    x = 89,113.83

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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.