Finding the Fourth Proportional to 96,318.18, 132,916.14 and 53,876.88
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Solution
The fourth proportional to 96,318.18, 132,916.14 and 53,876.88 is: 74,348.45
Step by Step Solution
- Step 1: Write the proportion equation
96,318.18 : 132,916.14 = 53,876.88 : x - Step 2: Convert to fraction form
96,318.18/132,916.14 = 53,876.88/x - Step 3: Cross multiply
96,318.18x = 132,916.14 × 53,876.88 - Step 4: Simplify right side
96,318.18x = 7,161,106,924.84 - Step 5: Solve for x
x = 7,161,106,924.84/96,318.18 - Step 6: Final answer
x = 74,348.45
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1.5x scale
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.