Finding the Fourth Proportional to 71,597.56, 107,355.18 and 29,506.70
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Solution
The fourth proportional to 71,597.56, 107,355.18 and 29,506.70 is: 44,243.09
Step by Step Solution
- Step 1: Write the proportion equation
71,597.56 : 107,355.18 = 29,506.70 : x - Step 2: Convert to fraction form
71,597.56/107,355.18 = 29,506.70/x - Step 3: Cross multiply
71,597.56x = 107,355.18 × 29,506.70 - Step 4: Simplify right side
71,597.56x = 3,167,697,089.71 - Step 5: Solve for x
x = 3,167,697,089.71/71,597.56 - Step 6: Final answer
x = 44,243.09
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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.