Finding the Fourth Proportional to 71,964.74, 107,952.57 and 19,374.68
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Solution
The fourth proportional to 71,964.74, 107,952.57 and 19,374.68 is: 29,063.48
Step by Step Solution
- Step 1: Write the proportion equation
71,964.74 : 107,952.57 = 19,374.68 : x - Step 2: Convert to fraction form
71,964.74/107,952.57 = 19,374.68/x - Step 3: Cross multiply
71,964.74x = 107,952.57 × 19,374.68 - Step 4: Simplify right side
71,964.74x = 2,091,545,959.16 - Step 5: Solve for x
x = 2,091,545,959.16/71,964.74 - Step 6: Final answer
x = 29,063.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.