Finding the Fourth Proportional to 98,272.94, 135,645.84 and 63,816.76
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Solution
The fourth proportional to 98,272.94, 135,645.84 and 63,816.76 is: 88,086.07
Step by Step Solution
- Step 1: Write the proportion equation
98,272.94 : 135,645.84 = 63,816.76 : x - Step 2: Convert to fraction form
98,272.94/135,645.84 = 63,816.76/x - Step 3: Cross multiply
98,272.94x = 135,645.84 × 63,816.76 - Step 4: Simplify right side
98,272.94x = 8,656,477,677.16 - Step 5: Solve for x
x = 8,656,477,677.16/98,272.94 - Step 6: Final answer
x = 88,086.07
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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.