Finding the Fourth Proportional to 96,398.94, 133,005.30 and 55,553.06
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Solution
The fourth proportional to 96,398.94, 133,005.30 and 55,553.06 is: 76,648.68
Step by Step Solution
- Step 1: Write the proportion equation
96,398.94 : 133,005.30 = 55,553.06 : x - Step 2: Convert to fraction form
96,398.94/133,005.30 = 55,553.06/x - Step 3: Cross multiply
96,398.94x = 133,005.30 × 55,553.06 - Step 4: Simplify right side
96,398.94x = 7,388,851,411.22 - Step 5: Solve for x
x = 7,388,851,411.22/96,398.94 - Step 6: Final answer
x = 76,648.68
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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.