Home / 98,370.48-147,626.79-39,172.02

Finding the Fourth Proportional to 98,370.48, 147,626.79 and 39,172.02

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Solution

The fourth proportional to 98,370.48, 147,626.79 and 39,172.02 is: 58,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,370.48 : 147,626.79 = 39,172.02 : x
  2. Step 2: Convert to fraction form
    98,370.48/147,626.79 = 39,172.02/x
  3. Step 3: Cross multiply
    98,370.48x = 147,626.79 × 39,172.02
  4. Step 4: Simplify right side
    98,370.48x = 5,782,839,570.42
  5. Step 5: Solve for x
    x = 5,782,839,570.42/98,370.48
  6. Step 6: Final answer
    x = 58,786.33

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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.