Home / 90,840.06-136,254.48-33,902.88

Finding the Fourth Proportional to 90,840.06, 136,254.48 and 33,902.88

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Solution

The fourth proportional to 90,840.06, 136,254.48 and 33,902.88 is: 50,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,840.06 : 136,254.48 = 33,902.88 : x
  2. Step 2: Convert to fraction form
    90,840.06/136,254.48 = 33,902.88/x
  3. Step 3: Cross multiply
    90,840.06x = 136,254.48 × 33,902.88
  4. Step 4: Simplify right side
    90,840.06x = 4,619,419,284.90
  5. Step 5: Solve for x
    x = 4,619,419,284.90/90,840.06
  6. Step 6: Final answer
    x = 50,852.23

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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.