Finding the Fourth Proportional to 96,449.73, 133,099.18 and 53,429.09
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Solution
The fourth proportional to 96,449.73, 133,099.18 and 53,429.09 is: 73,731.34
Step by Step Solution
- Step 1: Write the proportion equation
96,449.73 : 133,099.18 = 53,429.09 : x - Step 2: Convert to fraction form
96,449.73/133,099.18 = 53,429.09/x - Step 3: Cross multiply
96,449.73x = 133,099.18 × 53,429.09 - Step 4: Simplify right side
96,449.73x = 7,111,367,734.40 - Step 5: Solve for x
x = 7,111,367,734.40/96,449.73 - Step 6: Final answer
x = 73,731.34
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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.