Finding the Fourth Proportional to 88,098.53, 121,578.35 and 47,812.37
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Solution
The fourth proportional to 88,098.53, 121,578.35 and 47,812.37 is: 65,982.36
Step by Step Solution
- Step 1: Write the proportion equation
88,098.53 : 121,578.35 = 47,812.37 : x - Step 2: Convert to fraction form
88,098.53/121,578.35 = 47,812.37/x - Step 3: Cross multiply
88,098.53x = 121,578.35 × 47,812.37 - Step 4: Simplify right side
88,098.53x = 5,812,949,054.19 - Step 5: Solve for x
x = 5,812,949,054.19/88,098.53 - Step 6: Final answer
x = 65,982.36
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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.