Finding the Fourth Proportional to 97,663.92, 134,776.88 and 56,852.36
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Solution
The fourth proportional to 97,663.92, 134,776.88 and 56,852.36 is: 78,456.65
Step by Step Solution
- Step 1: Write the proportion equation
97,663.92 : 134,776.88 = 56,852.36 : x - Step 2: Convert to fraction form
97,663.92/134,776.88 = 56,852.36/x - Step 3: Cross multiply
97,663.92x = 134,776.88 × 56,852.36 - Step 4: Simplify right side
97,663.92x = 7,662,383,701.44 - Step 5: Solve for x
x = 7,662,383,701.44/97,663.92 - Step 6: Final answer
x = 78,456.65
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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.