Home / 80,755.95-121,099.08-26,705.46

Finding the Fourth Proportional to 80,755.95, 121,099.08 and 26,705.46

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Solution

The fourth proportional to 80,755.95, 121,099.08 and 26,705.46 is: 40,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,755.95 : 121,099.08 = 26,705.46 : x
  2. Step 2: Convert to fraction form
    80,755.95/121,099.08 = 26,705.46/x
  3. Step 3: Cross multiply
    80,755.95x = 121,099.08 × 26,705.46
  4. Step 4: Simplify right side
    80,755.95x = 3,234,006,636.98
  5. Step 5: Solve for x
    x = 3,234,006,636.98/80,755.95
  6. Step 6: Final answer
    x = 40,046.67

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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.