Finding the Fourth Proportional to 88,501.21, 122,130.99 and 48,214.85
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Solution
The fourth proportional to 88,501.21, 122,130.99 and 48,214.85 is: 66,536.12
Step by Step Solution
- Step 1: Write the proportion equation
88,501.21 : 122,130.99 = 48,214.85 : x - Step 2: Convert to fraction form
88,501.21/122,130.99 = 48,214.85/x - Step 3: Cross multiply
88,501.21x = 122,130.99 × 48,214.85 - Step 4: Simplify right side
88,501.21x = 5,888,526,752.55 - Step 5: Solve for x
x = 5,888,526,752.55/88,501.21 - Step 6: Final answer
x = 66,536.12
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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.