Finding the Fourth Proportional to 93,727.16, 129,208.92 and 66,822.96
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Solution
The fourth proportional to 93,727.16, 129,208.92 and 66,822.96 is: 92,119.75
Step by Step Solution
- Step 1: Write the proportion equation
93,727.16 : 129,208.92 = 66,822.96 : x - Step 2: Convert to fraction form
93,727.16/129,208.92 = 66,822.96/x - Step 3: Cross multiply
93,727.16x = 129,208.92 × 66,822.96 - Step 4: Simplify right side
93,727.16x = 8,634,122,492.80 - Step 5: Solve for x
x = 8,634,122,492.80/93,727.16 - Step 6: Final answer
x = 92,119.75
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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.