Finding the Fourth Proportional to 70,908.75, 106,377.84 and 29,355.75
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Solution
The fourth proportional to 70,908.75, 106,377.84 and 29,355.75 is: 44,039.72
Step by Step Solution
- Step 1: Write the proportion equation
70,908.75 : 106,377.84 = 29,355.75 : x - Step 2: Convert to fraction form
70,908.75/106,377.84 = 29,355.75/x - Step 3: Cross multiply
70,908.75x = 106,377.84 × 29,355.75 - Step 4: Simplify right side
70,908.75x = 3,122,801,276.58 - Step 5: Solve for x
x = 3,122,801,276.58/70,908.75 - Step 6: Final answer
x = 44,039.72
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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.