Finding the Fourth Proportional to 99,410.83, 137,182.84 and 54,088.99
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Solution
The fourth proportional to 99,410.83, 137,182.84 and 54,088.99 is: 74,640.57
Step by Step Solution
- Step 1: Write the proportion equation
99,410.83 : 137,182.84 = 54,088.99 : x - Step 2: Convert to fraction form
99,410.83/137,182.84 = 54,088.99/x - Step 3: Cross multiply
99,410.83x = 137,182.84 × 54,088.99 - Step 4: Simplify right side
99,410.83x = 7,420,081,260.93 - Step 5: Solve for x
x = 7,420,081,260.93/99,410.83 - Step 6: Final answer
x = 74,640.57
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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.