Home / 98,287.65-147,441.05-39,109.48

Finding the Fourth Proportional to 98,287.65, 147,441.05 and 39,109.48

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Solution

The fourth proportional to 98,287.65, 147,441.05 and 39,109.48 is: 58,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,287.65 : 147,441.05 = 39,109.48 : x
  2. Step 2: Convert to fraction form
    98,287.65/147,441.05 = 39,109.48/x
  3. Step 3: Cross multiply
    98,287.65x = 147,441.05 × 39,109.48
  4. Step 4: Simplify right side
    98,287.65x = 5,766,342,796.15
  5. Step 5: Solve for x
    x = 5,766,342,796.15/98,287.65
  6. Step 6: Final answer
    x = 58,668.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.