Finding the Fourth Proportional to 74,873.07, 103,437.54 and 49,092.84
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Solution
The fourth proportional to 74,873.07, 103,437.54 and 49,092.84 is: 67,822.02
Step by Step Solution
- Step 1: Write the proportion equation
74,873.07 : 103,437.54 = 49,092.84 : x - Step 2: Convert to fraction form
74,873.07/103,437.54 = 49,092.84/x - Step 3: Cross multiply
74,873.07x = 103,437.54 × 49,092.84 - Step 4: Simplify right side
74,873.07x = 5,078,042,601.21 - Step 5: Solve for x
x = 5,078,042,601.21/74,873.07 - Step 6: Final answer
x = 67,822.02
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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.