Finding the Fourth Proportional to 75,062.48, 103,541.10 and 49,569.08
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Solution
The fourth proportional to 75,062.48, 103,541.10 and 49,569.08 is: 68,375.53
Step by Step Solution
- Step 1: Write the proportion equation
75,062.48 : 103,541.10 = 49,569.08 : x - Step 2: Convert to fraction form
75,062.48/103,541.10 = 49,569.08/x - Step 3: Cross multiply
75,062.48x = 103,541.10 × 49,569.08 - Step 4: Simplify right side
75,062.48x = 5,132,437,069.19 - Step 5: Solve for x
x = 5,132,437,069.19/75,062.48 - Step 6: Final answer
x = 68,375.53
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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.