Home / 105,937.20-158,905.78-27,048.60

Finding the Fourth Proportional to 105,937.20, 158,905.78 and 27,048.60

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Solution

The fourth proportional to 105,937.20, 158,905.78 and 27,048.60 is: 40,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,937.20 : 158,905.78 = 27,048.60 : x
  2. Step 2: Convert to fraction form
    105,937.20/158,905.78 = 27,048.60/x
  3. Step 3: Cross multiply
    105,937.20x = 158,905.78 × 27,048.60
  4. Step 4: Simplify right side
    105,937.20x = 4,298,178,880.91
  5. Step 5: Solve for x
    x = 4,298,178,880.91/105,937.20
  6. Step 6: Final answer
    x = 40,572.89

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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.