Finding the Fourth Proportional to 81,108.29, 121,662.71 and 24,948.02
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Solution
The fourth proportional to 81,108.29, 121,662.71 and 24,948.02 is: 37,422.11
Step by Step Solution
- Step 1: Write the proportion equation
81,108.29 : 121,662.71 = 24,948.02 : x - Step 2: Convert to fraction form
81,108.29/121,662.71 = 24,948.02/x - Step 3: Cross multiply
81,108.29x = 121,662.71 × 24,948.02 - Step 4: Simplify right side
81,108.29x = 3,035,243,114.02 - Step 5: Solve for x
x = 3,035,243,114.02/81,108.29 - Step 6: Final answer
x = 37,422.11
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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.