Finding the Fourth Proportional to 67,235.42, 100,783.93 and 29,813.12
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Solution
The fourth proportional to 67,235.42, 100,783.93 and 29,813.12 is: 44,688.99
Step by Step Solution
- Step 1: Write the proportion equation
67,235.42 : 100,783.93 = 29,813.12 : x - Step 2: Convert to fraction form
67,235.42/100,783.93 = 29,813.12/x - Step 3: Cross multiply
67,235.42x = 100,783.93 × 29,813.12 - Step 4: Simplify right side
67,235.42x = 3,004,682,746.18 - Step 5: Solve for x
x = 3,004,682,746.18/67,235.42 - Step 6: Final answer
x = 44,688.99
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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.