Home / 105,984.65-146,258.79-58,241.09

Finding the Fourth Proportional to 105,984.65, 146,258.79 and 58,241.09

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Solution

The fourth proportional to 105,984.65, 146,258.79 and 58,241.09 is: 80,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.65 : 146,258.79 = 58,241.09 : x
  2. Step 2: Convert to fraction form
    105,984.65/146,258.79 = 58,241.09/x
  3. Step 3: Cross multiply
    105,984.65x = 146,258.79 × 58,241.09
  4. Step 4: Simplify right side
    105,984.65x = 8,518,271,351.68
  5. Step 5: Solve for x
    x = 8,518,271,351.68/105,984.65
  6. Step 6: Final answer
    x = 80,372.69

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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.