Finding the Fourth Proportional to 91,251.18, 125,925.27 and 50,965.62
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Solution
The fourth proportional to 91,251.18, 125,925.27 and 50,965.62 is: 70,331.80
Step by Step Solution
- Step 1: Write the proportion equation
91,251.18 : 125,925.27 = 50,965.62 : x - Step 2: Convert to fraction form
91,251.18/125,925.27 = 50,965.62/x - Step 3: Cross multiply
91,251.18x = 125,925.27 × 50,965.62 - Step 4: Simplify right side
91,251.18x = 6,417,859,459.22 - Step 5: Solve for x
x = 6,417,859,459.22/91,251.18 - Step 6: Final answer
x = 70,331.80
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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.