Home / 116,984.74-161,458.79-66,011.92

Finding the Fourth Proportional to 116,984.74, 161,458.79 and 66,011.92

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Solution

The fourth proportional to 116,984.74, 161,458.79 and 66,011.92 is: 91,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,984.74 : 161,458.79 = 66,011.92 : x
  2. Step 2: Convert to fraction form
    116,984.74/161,458.79 = 66,011.92/x
  3. Step 3: Cross multiply
    116,984.74x = 161,458.79 × 66,011.92
  4. Step 4: Simplify right side
    116,984.74x = 10,658,204,728.78
  5. Step 5: Solve for x
    x = 10,658,204,728.78/116,984.74
  6. Step 6: Final answer
    x = 91,107.65

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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.