Home / 102,541.20-153,898.20-49,995.60

Finding the Fourth Proportional to 102,541.20, 153,898.20 and 49,995.60

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Solution

The fourth proportional to 102,541.20, 153,898.20 and 49,995.60 is: 75,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,541.20 : 153,898.20 = 49,995.60 : x
  2. Step 2: Convert to fraction form
    102,541.20/153,898.20 = 49,995.60/x
  3. Step 3: Cross multiply
    102,541.20x = 153,898.20 × 49,995.60
  4. Step 4: Simplify right side
    102,541.20x = 7,694,232,847.92
  5. Step 5: Solve for x
    x = 7,694,232,847.92/102,541.20
  6. Step 6: Final answer
    x = 75,035.53

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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.