Home / 55,274.08-82,935.60-28,972.56

Finding the Fourth Proportional to 55,274.08, 82,935.60 and 28,972.56

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Solution

The fourth proportional to 55,274.08, 82,935.60 and 28,972.56 is: 43,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.08 : 82,935.60 = 28,972.56 : x
  2. Step 2: Convert to fraction form
    55,274.08/82,935.60 = 28,972.56/x
  3. Step 3: Cross multiply
    55,274.08x = 82,935.60 × 28,972.56
  4. Step 4: Simplify right side
    55,274.08x = 2,402,856,647.14
  5. Step 5: Solve for x
    x = 2,402,856,647.14/55,274.08
  6. Step 6: Final answer
    x = 43,471.67

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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.