Finding the Fourth Proportional to 88,035.99, 121,487.81 and 47,748.21
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Solution
The fourth proportional to 88,035.99, 121,487.81 and 47,748.21 is: 65,891.52
Step by Step Solution
- Step 1: Write the proportion equation
88,035.99 : 121,487.81 = 47,748.21 : x - Step 2: Convert to fraction form
88,035.99/121,487.81 = 47,748.21/x - Step 3: Cross multiply
88,035.99x = 121,487.81 × 47,748.21 - Step 4: Simplify right side
88,035.99x = 5,800,825,464.32 - Step 5: Solve for x
x = 5,800,825,464.32/88,035.99 - Step 6: Final answer
x = 65,891.52
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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.