Finding the Fourth Proportional to 97,663.05, 134,781.70 and 54,646.62
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Solution
The fourth proportional to 97,663.05, 134,781.70 and 54,646.62 is: 75,416.08
Step by Step Solution
- Step 1: Write the proportion equation
97,663.05 : 134,781.70 = 54,646.62 : x - Step 2: Convert to fraction form
97,663.05/134,781.70 = 54,646.62/x - Step 3: Cross multiply
97,663.05x = 134,781.70 × 54,646.62 - Step 4: Simplify right side
97,663.05x = 7,365,364,786.80 - Step 5: Solve for x
x = 7,365,364,786.80/97,663.05 - Step 6: Final answer
x = 75,416.08
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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.