Finding the Fourth Proportional to 97,403.15, 134,416.44 and 54,965.63
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Solution
The fourth proportional to 97,403.15, 134,416.44 and 54,965.63 is: 75,852.62
Step by Step Solution
- Step 1: Write the proportion equation
97,403.15 : 134,416.44 = 54,965.63 : x - Step 2: Convert to fraction form
97,403.15/134,416.44 = 54,965.63/x - Step 3: Cross multiply
97,403.15x = 134,416.44 × 54,965.63 - Step 4: Simplify right side
97,403.15x = 7,388,283,634.88 - Step 5: Solve for x
x = 7,388,283,634.88/97,403.15 - Step 6: Final answer
x = 75,852.62
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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.