Home / 127,992.73-176,627.21-70,629.85

Finding the Fourth Proportional to 127,992.73, 176,627.21 and 70,629.85

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Solution

The fourth proportional to 127,992.73, 176,627.21 and 70,629.85 is: 97,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,992.73 : 176,627.21 = 70,629.85 : x
  2. Step 2: Convert to fraction form
    127,992.73/176,627.21 = 70,629.85/x
  3. Step 3: Cross multiply
    127,992.73x = 176,627.21 × 70,629.85
  4. Step 4: Simplify right side
    127,992.73x = 12,475,152,917.74
  5. Step 5: Solve for x
    x = 12,475,152,917.74/127,992.73
  6. Step 6: Final answer
    x = 97,467.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.