Finding the Fourth Proportional to 68,124.90, 102,187.35 and 21,377.70
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Solution
The fourth proportional to 68,124.90, 102,187.35 and 21,377.70 is: 32,066.55
Step by Step Solution
- Step 1: Write the proportion equation
68,124.90 : 102,187.35 = 21,377.70 : x - Step 2: Convert to fraction form
68,124.90/102,187.35 = 21,377.70/x - Step 3: Cross multiply
68,124.90x = 102,187.35 × 21,377.70 - Step 4: Simplify right side
68,124.90x = 2,184,530,512.10 - Step 5: Solve for x
x = 2,184,530,512.10/68,124.90 - Step 6: Final answer
x = 32,066.55
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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.