Home / 102,861.90-154,303.79-32,724.81

Finding the Fourth Proportional to 102,861.90, 154,303.79 and 32,724.81

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Solution

The fourth proportional to 102,861.90, 154,303.79 and 32,724.81 is: 49,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,861.90 : 154,303.79 = 32,724.81 : x
  2. Step 2: Convert to fraction form
    102,861.90/154,303.79 = 32,724.81/x
  3. Step 3: Cross multiply
    102,861.90x = 154,303.79 × 32,724.81
  4. Step 4: Simplify right side
    102,861.90x = 5,049,562,046.41
  5. Step 5: Solve for x
    x = 5,049,562,046.41/102,861.90
  6. Step 6: Final answer
    x = 49,090.69

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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.