Finding the Fourth Proportional to 85,064.49, 117,400.19 and 48,780.14
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Solution
The fourth proportional to 85,064.49, 117,400.19 and 48,780.14 is: 67,323.00
Step by Step Solution
- Step 1: Write the proportion equation
85,064.49 : 117,400.19 = 48,780.14 : x - Step 2: Convert to fraction form
85,064.49/117,400.19 = 48,780.14/x - Step 3: Cross multiply
85,064.49x = 117,400.19 × 48,780.14 - Step 4: Simplify right side
85,064.49x = 5,726,796,873.32 - Step 5: Solve for x
x = 5,726,796,873.32/85,064.49 - Step 6: Final answer
x = 67,323.00
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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.