Finding the Fourth Proportional to 96,841.68, 133,637.88 and 53,823.84
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Solution
The fourth proportional to 96,841.68, 133,637.88 and 53,823.84 is: 74,274.88
Step by Step Solution
- Step 1: Write the proportion equation
96,841.68 : 133,637.88 = 53,823.84 : x - Step 2: Convert to fraction form
96,841.68/133,637.88 = 53,823.84/x - Step 3: Cross multiply
96,841.68x = 133,637.88 × 53,823.84 - Step 4: Simplify right side
96,841.68x = 7,192,903,871.06 - Step 5: Solve for x
x = 7,192,903,871.06/96,841.68 - Step 6: Final answer
x = 74,274.88
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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.