Finding the Fourth Proportional to 76,957.44, 106,202.92 and 42,502.08
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Solution
The fourth proportional to 76,957.44, 106,202.92 and 42,502.08 is: 58,653.78
Step by Step Solution
- Step 1: Write the proportion equation
76,957.44 : 106,202.92 = 42,502.08 : x - Step 2: Convert to fraction form
76,957.44/106,202.92 = 42,502.08/x - Step 3: Cross multiply
76,957.44x = 106,202.92 × 42,502.08 - Step 4: Simplify right side
76,957.44x = 4,513,845,002.07 - Step 5: Solve for x
x = 4,513,845,002.07/76,957.44 - Step 6: Final answer
x = 58,653.78
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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.