Finding the Fourth Proportional to 70,757.62, 106,050.99 and 31,269.94
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Solution
The fourth proportional to 70,757.62, 106,050.99 and 31,269.94 is: 46,867.15
Step by Step Solution
- Step 1: Write the proportion equation
70,757.62 : 106,050.99 = 31,269.94 : x - Step 2: Convert to fraction form
70,757.62/106,050.99 = 31,269.94/x - Step 3: Cross multiply
70,757.62x = 106,050.99 × 31,269.94 - Step 4: Simplify right side
70,757.62x = 3,316,208,094.24 - Step 5: Solve for x
x = 3,316,208,094.24/70,757.62 - Step 6: Final answer
x = 46,867.15
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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.