Finding the Fourth Proportional to 88,115.80, 132,173.70 and 46,643.80
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Solution
The fourth proportional to 88,115.80, 132,173.70 and 46,643.80 is: 69,965.70
Step by Step Solution
- Step 1: Write the proportion equation
88,115.80 : 132,173.70 = 46,643.80 : x - Step 2: Convert to fraction form
88,115.80/132,173.70 = 46,643.80/x - Step 3: Cross multiply
88,115.80x = 132,173.70 × 46,643.80 - Step 4: Simplify right side
88,115.80x = 6,165,083,628.06 - Step 5: Solve for x
x = 6,165,083,628.06/88,115.80 - Step 6: Final answer
x = 69,965.70
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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.