Home / 120,057.48-180,096.44-35,812.21

Finding the Fourth Proportional to 120,057.48, 180,096.44 and 35,812.21

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Solution

The fourth proportional to 120,057.48, 180,096.44 and 35,812.21 is: 53,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,057.48 : 180,096.44 = 35,812.21 : x
  2. Step 2: Convert to fraction form
    120,057.48/180,096.44 = 35,812.21/x
  3. Step 3: Cross multiply
    120,057.48x = 180,096.44 × 35,812.21
  4. Step 4: Simplify right side
    120,057.48x = 6,449,651,529.53
  5. Step 5: Solve for x
    x = 6,449,651,529.53/120,057.48
  6. Step 6: Final answer
    x = 53,721.36

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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.