Finding the Fourth Proportional to 75,248.91, 112,864.14 and 43,676.17
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Solution
The fourth proportional to 75,248.91, 112,864.14 and 43,676.17 is: 65,508.90
Step by Step Solution
- Step 1: Write the proportion equation
75,248.91 : 112,864.14 = 43,676.17 : x - Step 2: Convert to fraction form
75,248.91/112,864.14 = 43,676.17/x - Step 3: Cross multiply
75,248.91x = 112,864.14 × 43,676.17 - Step 4: Simplify right side
75,248.91x = 4,929,473,083.38 - Step 5: Solve for x
x = 4,929,473,083.38/75,248.91 - Step 6: Final answer
x = 65,508.90
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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.