Home / 54,866.68-82,300.02-15,427.78

Finding the Fourth Proportional to 54,866.68, 82,300.02 and 15,427.78

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Solution

The fourth proportional to 54,866.68, 82,300.02 and 15,427.78 is: 23,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.68 : 82,300.02 = 15,427.78 : x
  2. Step 2: Convert to fraction form
    54,866.68/82,300.02 = 15,427.78/x
  3. Step 3: Cross multiply
    54,866.68x = 82,300.02 × 15,427.78
  4. Step 4: Simplify right side
    54,866.68x = 1,269,706,602.56
  5. Step 5: Solve for x
    x = 1,269,706,602.56/54,866.68
  6. Step 6: Final answer
    x = 23,141.67

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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.