Home / 102,630.20-153,968.34-36,074.92

Finding the Fourth Proportional to 102,630.20, 153,968.34 and 36,074.92

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Solution

The fourth proportional to 102,630.20, 153,968.34 and 36,074.92 is: 54,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,630.20 : 153,968.34 = 36,074.92 : x
  2. Step 2: Convert to fraction form
    102,630.20/153,968.34 = 36,074.92/x
  3. Step 3: Cross multiply
    102,630.20x = 153,968.34 × 36,074.92
  4. Step 4: Simplify right side
    102,630.20x = 5,554,395,548.03
  5. Step 5: Solve for x
    x = 5,554,395,548.03/102,630.20
  6. Step 6: Final answer
    x = 54,120.48

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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.