Finding the Fourth Proportional to 84,931.54, 117,207.02 and 46,692.70
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Solution
The fourth proportional to 84,931.54, 117,207.02 and 46,692.70 is: 64,436.75
Step by Step Solution
- Step 1: Write the proportion equation
84,931.54 : 117,207.02 = 46,692.70 : x - Step 2: Convert to fraction form
84,931.54/117,207.02 = 46,692.70/x - Step 3: Cross multiply
84,931.54x = 117,207.02 × 46,692.70 - Step 4: Simplify right side
84,931.54x = 5,472,712,222.75 - Step 5: Solve for x
x = 5,472,712,222.75/84,931.54 - Step 6: Final answer
x = 64,436.75
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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.