Home / 113,789.62-170,706.45-43,663.48

Finding the Fourth Proportional to 113,789.62, 170,706.45 and 43,663.48

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Solution

The fourth proportional to 113,789.62, 170,706.45 and 43,663.48 is: 65,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789.62 : 170,706.45 = 43,663.48 : x
  2. Step 2: Convert to fraction form
    113,789.62/170,706.45 = 43,663.48/x
  3. Step 3: Cross multiply
    113,789.62x = 170,706.45 × 43,663.48
  4. Step 4: Simplify right side
    113,789.62x = 7,453,637,665.45
  5. Step 5: Solve for x
    x = 7,453,637,665.45/113,789.62
  6. Step 6: Final answer
    x = 65,503.67

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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.