Finding the Fourth Proportional to 88,316.93, 121,878.41 and 48,030.84
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Solution
The fourth proportional to 88,316.93, 121,878.41 and 48,030.84 is: 66,283.12
Step by Step Solution
- Step 1: Write the proportion equation
88,316.93 : 121,878.41 = 48,030.84 : x - Step 2: Convert to fraction form
88,316.93/121,878.41 = 48,030.84/x - Step 3: Cross multiply
88,316.93x = 121,878.41 × 48,030.84 - Step 4: Simplify right side
88,316.93x = 5,853,922,170.01 - Step 5: Solve for x
x = 5,853,922,170.01/88,316.93 - Step 6: Final answer
x = 66,283.12
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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.