Home / 54,501.06-81,750.78-15,057.30

Finding the Fourth Proportional to 54,501.06, 81,750.78 and 15,057.30

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Solution

The fourth proportional to 54,501.06, 81,750.78 and 15,057.30 is: 22,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.06 : 81,750.78 = 15,057.30 : x
  2. Step 2: Convert to fraction form
    54,501.06/81,750.78 = 15,057.30/x
  3. Step 3: Cross multiply
    54,501.06x = 81,750.78 × 15,057.30
  4. Step 4: Simplify right side
    54,501.06x = 1,230,946,019.69
  5. Step 5: Solve for x
    x = 1,230,946,019.69/54,501.06
  6. Step 6: Final answer
    x = 22,585.73

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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.