Finding the Fourth Proportional to 70,816.68, 106,266.06 and 26,441.78
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Solution
The fourth proportional to 70,816.68, 106,266.06 and 26,441.78 is: 39,677.99
Step by Step Solution
- Step 1: Write the proportion equation
70,816.68 : 106,266.06 = 26,441.78 : x - Step 2: Convert to fraction form
70,816.68/106,266.06 = 26,441.78/x - Step 3: Cross multiply
70,816.68x = 106,266.06 × 26,441.78 - Step 4: Simplify right side
70,816.68x = 2,809,863,248.66 - Step 5: Solve for x
x = 2,809,863,248.66/70,816.68 - Step 6: Final answer
x = 39,677.99
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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.