Finding the Fourth Proportional to 77,935.87, 107,552.66 and 43,945.99
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Solution
The fourth proportional to 77,935.87, 107,552.66 and 43,945.99 is: 60,646.12
Step by Step Solution
- Step 1: Write the proportion equation
77,935.87 : 107,552.66 = 43,945.99 : x - Step 2: Convert to fraction form
77,935.87/107,552.66 = 43,945.99/x - Step 3: Cross multiply
77,935.87x = 107,552.66 × 43,945.99 - Step 4: Simplify right side
77,935.87x = 4,726,508,484.40 - Step 5: Solve for x
x = 4,726,508,484.40/77,935.87 - Step 6: Final answer
x = 60,646.12
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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.