Finding the Fourth Proportional to 96,615.25, 133,283.68 and 68,336.53
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Solution
The fourth proportional to 96,615.25, 133,283.68 and 68,336.53 is: 94,272.32
Step by Step Solution
- Step 1: Write the proportion equation
96,615.25 : 133,283.68 = 68,336.53 : x - Step 2: Convert to fraction form
96,615.25/133,283.68 = 68,336.53/x - Step 3: Cross multiply
96,615.25x = 133,283.68 × 68,336.53 - Step 4: Simplify right side
96,615.25x = 9,108,144,196.83 - Step 5: Solve for x
x = 9,108,144,196.83/96,615.25 - Step 6: Final answer
x = 94,272.32
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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.