Finding the Fourth Proportional to 97,178.85, 134,060.99 and 56,867.88
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Solution
The fourth proportional to 97,178.85, 134,060.99 and 56,867.88 is: 78,450.86
Step by Step Solution
- Step 1: Write the proportion equation
97,178.85 : 134,060.99 = 56,867.88 : x - Step 2: Convert to fraction form
97,178.85/134,060.99 = 56,867.88/x - Step 3: Cross multiply
97,178.85x = 134,060.99 × 56,867.88 - Step 4: Simplify right side
97,178.85x = 7,623,764,007.66 - Step 5: Solve for x
x = 7,623,764,007.66/97,178.85 - Step 6: Final answer
x = 78,450.86
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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.