Finding the Fourth Proportional to 99,590.47, 137,433.06 and 54,268.84
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Solution
The fourth proportional to 99,590.47, 137,433.06 and 54,268.84 is: 74,890.02
Step by Step Solution
- Step 1: Write the proportion equation
99,590.47 : 137,433.06 = 54,268.84 : x - Step 2: Convert to fraction form
99,590.47/137,433.06 = 54,268.84/x - Step 3: Cross multiply
99,590.47x = 137,433.06 × 54,268.84 - Step 4: Simplify right side
99,590.47x = 7,458,332,743.85 - Step 5: Solve for x
x = 7,458,332,743.85/99,590.47 - Step 6: Final answer
x = 74,890.02
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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.