Finding the Fourth Proportional to 88,809.06, 122,555.06 and 48,521.96
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Solution
The fourth proportional to 88,809.06, 122,555.06 and 48,521.96 is: 66,959.52
Step by Step Solution
- Step 1: Write the proportion equation
88,809.06 : 122,555.06 = 48,521.96 : x - Step 2: Convert to fraction form
88,809.06/122,555.06 = 48,521.96/x - Step 3: Cross multiply
88,809.06x = 122,555.06 × 48,521.96 - Step 4: Simplify right side
88,809.06x = 5,946,611,719.12 - Step 5: Solve for x
x = 5,946,611,719.12/88,809.06 - Step 6: Final answer
x = 66,959.52
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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.