Finding the Fourth Proportional to 96,385.78, 133,026.34 and 55,541.96
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Solution
The fourth proportional to 96,385.78, 133,026.34 and 55,541.96 is: 76,655.95
Step by Step Solution
- Step 1: Write the proportion equation
96,385.78 : 133,026.34 = 55,541.96 : x - Step 2: Convert to fraction form
96,385.78/133,026.34 = 55,541.96/x - Step 3: Cross multiply
96,385.78x = 133,026.34 × 55,541.96 - Step 4: Simplify right side
96,385.78x = 7,388,543,655.23 - Step 5: Solve for x
x = 7,388,543,655.23/96,385.78 - Step 6: Final answer
x = 76,655.95
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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.