Finding the Fourth Proportional to 88,701.36, 133,083.52 and 55,382.80
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Solution
The fourth proportional to 88,701.36, 133,083.52 and 55,382.80 is: 83,093.86
Step by Step Solution
- Step 1: Write the proportion equation
88,701.36 : 133,083.52 = 55,382.80 : x - Step 2: Convert to fraction form
88,701.36/133,083.52 = 55,382.80/x - Step 3: Cross multiply
88,701.36x = 133,083.52 × 55,382.80 - Step 4: Simplify right side
88,701.36x = 7,370,537,971.46 - Step 5: Solve for x
x = 7,370,537,971.46/88,701.36 - Step 6: Final answer
x = 83,093.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.