Finding the Fourth Proportional to 88,459.44, 122,070.14 and 48,170.80
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Solution
The fourth proportional to 88,459.44, 122,070.14 and 48,170.80 is: 66,473.59
Step by Step Solution
- Step 1: Write the proportion equation
88,459.44 : 122,070.14 = 48,170.80 : x - Step 2: Convert to fraction form
88,459.44/122,070.14 = 48,170.80/x - Step 3: Cross multiply
88,459.44x = 122,070.14 × 48,170.80 - Step 4: Simplify right side
88,459.44x = 5,880,216,392.29 - Step 5: Solve for x
x = 5,880,216,392.29/88,459.44 - Step 6: Final answer
x = 66,473.59
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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.