Home / 90,039.96-135,060.04-23,480.02

Finding the Fourth Proportional to 90,039.96, 135,060.04 and 23,480.02

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Solution

The fourth proportional to 90,039.96, 135,060.04 and 23,480.02 is: 35,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,039.96 : 135,060.04 = 23,480.02 : x
  2. Step 2: Convert to fraction form
    90,039.96/135,060.04 = 23,480.02/x
  3. Step 3: Cross multiply
    90,039.96x = 135,060.04 × 23,480.02
  4. Step 4: Simplify right side
    90,039.96x = 3,171,212,440.40
  5. Step 5: Solve for x
    x = 3,171,212,440.40/90,039.96
  6. Step 6: Final answer
    x = 35,220.06

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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.