Finding the Fourth Proportional to 77,458.93, 106,895.44 and 43,469.49
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Solution
The fourth proportional to 77,458.93, 106,895.44 and 43,469.49 is: 59,989.09
Step by Step Solution
- Step 1: Write the proportion equation
77,458.93 : 106,895.44 = 43,469.49 : x - Step 2: Convert to fraction form
77,458.93/106,895.44 = 43,469.49/x - Step 3: Cross multiply
77,458.93x = 106,895.44 × 43,469.49 - Step 4: Simplify right side
77,458.93x = 4,646,690,715.32 - Step 5: Solve for x
x = 4,646,690,715.32/77,458.93 - Step 6: Final answer
x = 59,989.09
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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.