Home / 102,862.27-154,305.75-36,288.67

Finding the Fourth Proportional to 102,862.27, 154,305.75 and 36,288.67

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Solution

The fourth proportional to 102,862.27, 154,305.75 and 36,288.67 is: 54,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,862.27 : 154,305.75 = 36,288.67 : x
  2. Step 2: Convert to fraction form
    102,862.27/154,305.75 = 36,288.67/x
  3. Step 3: Cross multiply
    102,862.27x = 154,305.75 × 36,288.67
  4. Step 4: Simplify right side
    102,862.27x = 5,599,550,440.85
  5. Step 5: Solve for x
    x = 5,599,550,440.85/102,862.27
  6. Step 6: Final answer
    x = 54,437.36

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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.