Finding the Fourth Proportional to 98,776.76, 148,035.92 and 39,653.91
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Solution
The fourth proportional to 98,776.76, 148,035.92 and 39,653.91 is: 59,428.99
Step by Step Solution
- Step 1: Write the proportion equation
98,776.76 : 148,035.92 = 39,653.91 : x - Step 2: Convert to fraction form
98,776.76/148,035.92 = 39,653.91/x - Step 3: Cross multiply
98,776.76x = 148,035.92 × 39,653.91 - Step 4: Simplify right side
98,776.76x = 5,870,202,850.18 - Step 5: Solve for x
x = 5,870,202,850.18/98,776.76 - Step 6: Final answer
x = 59,428.99
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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.