Finding the Fourth Proportional to 67,309.05, 100,928.21 and 29,852.93
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Solution
The fourth proportional to 67,309.05, 100,928.21 and 29,852.93 is: 44,763.70
Step by Step Solution
- Step 1: Write the proportion equation
67,309.05 : 100,928.21 = 29,852.93 : x - Step 2: Convert to fraction form
67,309.05/100,928.21 = 29,852.93/x - Step 3: Cross multiply
67,309.05x = 100,928.21 × 29,852.93 - Step 4: Simplify right side
67,309.05x = 3,013,002,134.25 - Step 5: Solve for x
x = 3,013,002,134.25/67,309.05 - Step 6: Final answer
x = 44,763.70
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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.