Home / 54,529.78-81,818.56-26,471.38

Finding the Fourth Proportional to 54,529.78, 81,818.56 and 26,471.38

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Solution

The fourth proportional to 54,529.78, 81,818.56 and 26,471.38 is: 39,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,529.78 : 81,818.56 = 26,471.38 : x
  2. Step 2: Convert to fraction form
    54,529.78/81,818.56 = 26,471.38/x
  3. Step 3: Cross multiply
    54,529.78x = 81,818.56 × 26,471.38
  4. Step 4: Simplify right side
    54,529.78x = 2,165,850,192.81
  5. Step 5: Solve for x
    x = 2,165,850,192.81/54,529.78
  6. Step 6: Final answer
    x = 39,718.67

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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.