Finding the Fourth Proportional to 75,134.48, 103,640.52 and 49,641.68
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Solution
The fourth proportional to 75,134.48, 103,640.52 and 49,641.68 is: 68,475.75
Step by Step Solution
- Step 1: Write the proportion equation
75,134.48 : 103,640.52 = 49,641.68 : x - Step 2: Convert to fraction form
75,134.48/103,640.52 = 49,641.68/x - Step 3: Cross multiply
75,134.48x = 103,640.52 × 49,641.68 - Step 4: Simplify right side
75,134.48x = 5,144,889,528.87 - Step 5: Solve for x
x = 5,144,889,528.87/75,134.48 - Step 6: Final answer
x = 68,475.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.