Finding the Fourth Proportional to 84,760.56, 116,979.93 and 48,950.53
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Solution
The fourth proportional to 84,760.56, 116,979.93 and 48,950.53 is: 67,557.71
Step by Step Solution
- Step 1: Write the proportion equation
84,760.56 : 116,979.93 = 48,950.53 : x - Step 2: Convert to fraction form
84,760.56/116,979.93 = 48,950.53/x - Step 3: Cross multiply
84,760.56x = 116,979.93 × 48,950.53 - Step 4: Simplify right side
84,760.56x = 5,726,229,280.41 - Step 5: Solve for x
x = 5,726,229,280.41/84,760.56 - Step 6: Final answer
x = 67,557.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.