Finding the Fourth Proportional to 97,078.08, 133,957.44 and 54,635.88
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Solution
The fourth proportional to 97,078.08, 133,957.44 and 54,635.88 is: 75,391.71
Step by Step Solution
- Step 1: Write the proportion equation
97,078.08 : 133,957.44 = 54,635.88 : x - Step 2: Convert to fraction form
97,078.08/133,957.44 = 54,635.88/x - Step 3: Cross multiply
97,078.08x = 133,957.44 × 54,635.88 - Step 4: Simplify right side
97,078.08x = 7,318,882,616.95 - Step 5: Solve for x
x = 7,318,882,616.95/97,078.08 - Step 6: Final answer
x = 75,391.71
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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.