Home / 107,626.90-161,440.48-51,453.80

Finding the Fourth Proportional to 107,626.90, 161,440.48 and 51,453.80

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Solution

The fourth proportional to 107,626.90, 161,440.48 and 51,453.80 is: 77,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,626.90 : 161,440.48 = 51,453.80 : x
  2. Step 2: Convert to fraction form
    107,626.90/161,440.48 = 51,453.80/x
  3. Step 3: Cross multiply
    107,626.90x = 161,440.48 × 51,453.80
  4. Step 4: Simplify right side
    107,626.90x = 8,306,726,169.82
  5. Step 5: Solve for x
    x = 8,306,726,169.82/107,626.90
  6. Step 6: Final answer
    x = 77,180.76

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1.5x scale

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.