Finding the Fourth Proportional to 74,062.30, 110,916.82 and 47,324.26
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Solution
The fourth proportional to 74,062.30, 110,916.82 and 47,324.26 is: 70,873.53
Step by Step Solution
- Step 1: Write the proportion equation
74,062.30 : 110,916.82 = 47,324.26 : x - Step 2: Convert to fraction form
74,062.30/110,916.82 = 47,324.26/x - Step 3: Cross multiply
74,062.30x = 110,916.82 × 47,324.26 - Step 4: Simplify right side
74,062.30x = 5,249,056,428.05 - Step 5: Solve for x
x = 5,249,056,428.05/74,062.30 - Step 6: Final answer
x = 70,873.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.