Home / 74,629.52-102,955.42-50,422.67

Finding the Fourth Proportional to 74,629.52, 102,955.42 and 50,422.67

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Solution

The fourth proportional to 74,629.52, 102,955.42 and 50,422.67 is: 69,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629.52 : 102,955.42 = 50,422.67 : x
  2. Step 2: Convert to fraction form
    74,629.52/102,955.42 = 50,422.67/x
  3. Step 3: Cross multiply
    74,629.52x = 102,955.42 × 50,422.67
  4. Step 4: Simplify right side
    74,629.52x = 5,191,287,167.37
  5. Step 5: Solve for x
    x = 5,191,287,167.37/74,629.52
  6. Step 6: Final answer
    x = 69,560.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.