Finding the Fourth Proportional to 97,583.40, 134,659.80 and 63,067.68
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Solution
The fourth proportional to 97,583.40, 134,659.80 and 63,067.68 is: 87,029.98
Step by Step Solution
- Step 1: Write the proportion equation
97,583.40 : 134,659.80 = 63,067.68 : x - Step 2: Convert to fraction form
97,583.40/134,659.80 = 63,067.68/x - Step 3: Cross multiply
97,583.40x = 134,659.80 × 63,067.68 - Step 4: Simplify right side
97,583.40x = 8,492,681,175.26 - Step 5: Solve for x
x = 8,492,681,175.26/97,583.40 - Step 6: Final answer
x = 87,029.98
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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.