Home / 55,276.08-82,938.60-28,974.56

Finding the Fourth Proportional to 55,276.08, 82,938.60 and 28,974.56

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Solution

The fourth proportional to 55,276.08, 82,938.60 and 28,974.56 is: 43,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.08 : 82,938.60 = 28,974.56 : x
  2. Step 2: Convert to fraction form
    55,276.08/82,938.60 = 28,974.56/x
  3. Step 3: Cross multiply
    55,276.08x = 82,938.60 × 28,974.56
  4. Step 4: Simplify right side
    55,276.08x = 2,403,109,442.02
  5. Step 5: Solve for x
    x = 2,403,109,442.02/55,276.08
  6. Step 6: Final answer
    x = 43,474.67

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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.