Finding the Fourth Proportional to 68,875.10, 103,272.50 and 26,705.92
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Solution
The fourth proportional to 68,875.10, 103,272.50 and 26,705.92 is: 40,043.31
Step by Step Solution
- Step 1: Write the proportion equation
68,875.10 : 103,272.50 = 26,705.92 : x - Step 2: Convert to fraction form
68,875.10/103,272.50 = 26,705.92/x - Step 3: Cross multiply
68,875.10x = 103,272.50 × 26,705.92 - Step 4: Simplify right side
68,875.10x = 2,757,987,123.20 - Step 5: Solve for x
x = 2,757,987,123.20/68,875.10 - Step 6: Final answer
x = 40,043.31
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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.