Home / 125,707.57-188,455.07-54,576.54

Finding the Fourth Proportional to 125,707.57, 188,455.07 and 54,576.54

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Solution

The fourth proportional to 125,707.57, 188,455.07 and 54,576.54 is: 81,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,707.57 : 188,455.07 = 54,576.54 : x
  2. Step 2: Convert to fraction form
    125,707.57/188,455.07 = 54,576.54/x
  3. Step 3: Cross multiply
    125,707.57x = 188,455.07 × 54,576.54
  4. Step 4: Simplify right side
    125,707.57x = 10,285,225,802.50
  5. Step 5: Solve for x
    x = 10,285,225,802.50/125,707.57
  6. Step 6: Final answer
    x = 81,818.67

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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.