Finding the Fourth Proportional to 84,931.79, 117,207.37 and 46,692.95
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Solution
The fourth proportional to 84,931.79, 117,207.37 and 46,692.95 is: 64,437.09
Step by Step Solution
- Step 1: Write the proportion equation
84,931.79 : 117,207.37 = 46,692.95 : x - Step 2: Convert to fraction form
84,931.79/117,207.37 = 46,692.95/x - Step 3: Cross multiply
84,931.79x = 117,207.37 × 46,692.95 - Step 4: Simplify right side
84,931.79x = 5,472,757,633.58 - Step 5: Solve for x
x = 5,472,757,633.58/84,931.79 - Step 6: Final answer
x = 64,437.09
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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.