Home / 90,747.06-136,093.26-43,337.70

Finding the Fourth Proportional to 90,747.06, 136,093.26 and 43,337.70

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Solution

The fourth proportional to 90,747.06, 136,093.26 and 43,337.70 is: 64,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.06 : 136,093.26 = 43,337.70 : x
  2. Step 2: Convert to fraction form
    90,747.06/136,093.26 = 43,337.70/x
  3. Step 3: Cross multiply
    90,747.06x = 136,093.26 × 43,337.70
  4. Step 4: Simplify right side
    90,747.06x = 5,897,968,873.90
  5. Step 5: Solve for x
    x = 5,897,968,873.90/90,747.06
  6. Step 6: Final answer
    x = 64,993.50

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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.