Finding the Fourth Proportional to 95,436.34, 131,643.75 and 68,615.08
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Solution
The fourth proportional to 95,436.34, 131,643.75 and 68,615.08 is: 94,646.82
Step by Step Solution
- Step 1: Write the proportion equation
95,436.34 : 131,643.75 = 68,615.08 : x - Step 2: Convert to fraction form
95,436.34/131,643.75 = 68,615.08/x - Step 3: Cross multiply
95,436.34x = 131,643.75 × 68,615.08 - Step 4: Simplify right side
95,436.34x = 9,032,746,437.75 - Step 5: Solve for x
x = 9,032,746,437.75/95,436.34 - Step 6: Final answer
x = 94,646.82
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1.5x scale
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.