Home / 68,733.20-103,099.80-33,741.20

Finding the Fourth Proportional to 68,733.20, 103,099.80 and 33,741.20

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Solution

The fourth proportional to 68,733.20, 103,099.80 and 33,741.20 is: 50,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.20 : 103,099.80 = 33,741.20 : x
  2. Step 2: Convert to fraction form
    68,733.20/103,099.80 = 33,741.20/x
  3. Step 3: Cross multiply
    68,733.20x = 103,099.80 × 33,741.20
  4. Step 4: Simplify right side
    68,733.20x = 3,478,710,971.76
  5. Step 5: Solve for x
    x = 3,478,710,971.76/68,733.20
  6. Step 6: Final answer
    x = 50,611.80

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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.