Finding the Fourth Proportional to 92,933.87, 128,237.78 and 54,684.99
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Solution
The fourth proportional to 92,933.87, 128,237.78 and 54,684.99 is: 75,458.84
Step by Step Solution
- Step 1: Write the proportion equation
92,933.87 : 128,237.78 = 54,684.99 : x - Step 2: Convert to fraction form
92,933.87/128,237.78 = 54,684.99/x - Step 3: Cross multiply
92,933.87x = 128,237.78 × 54,684.99 - Step 4: Simplify right side
92,933.87x = 7,012,681,853.63 - Step 5: Solve for x
x = 7,012,681,853.63/92,933.87 - Step 6: Final answer
x = 75,458.84
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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.