Home / 55,258.07-82,911.60-28,956.56

Finding the Fourth Proportional to 55,258.07, 82,911.60 and 28,956.56

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Solution

The fourth proportional to 55,258.07, 82,911.60 and 28,956.56 is: 43,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.07 : 82,911.60 = 28,956.56 : x
  2. Step 2: Convert to fraction form
    55,258.07/82,911.60 = 28,956.56/x
  3. Step 3: Cross multiply
    55,258.07x = 82,911.60 × 28,956.56
  4. Step 4: Simplify right side
    55,258.07x = 2,400,834,305.54
  5. Step 5: Solve for x
    x = 2,400,834,305.54/55,258.07
  6. Step 6: Final answer
    x = 43,447.67

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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.