Finding the Fourth Proportional to 97,080.11, 145,676.76 and 40,916.73
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Solution
The fourth proportional to 97,080.11, 145,676.76 and 40,916.73 is: 61,398.95
Step by Step Solution
- Step 1: Write the proportion equation
97,080.11 : 145,676.76 = 40,916.73 : x - Step 2: Convert to fraction form
97,080.11/145,676.76 = 40,916.73/x - Step 3: Cross multiply
97,080.11x = 145,676.76 × 40,916.73 - Step 4: Simplify right side
97,080.11x = 5,960,616,656.19 - Step 5: Solve for x
x = 5,960,616,656.19/97,080.11 - Step 6: Final answer
x = 61,398.95
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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.