Finding the Fourth Proportional to 74,516.84, 102,827.14 and 43,885.08
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Solution
The fourth proportional to 74,516.84, 102,827.14 and 43,885.08 is: 60,557.82
Step by Step Solution
- Step 1: Write the proportion equation
74,516.84 : 102,827.14 = 43,885.08 : x - Step 2: Convert to fraction form
74,516.84/102,827.14 = 43,885.08/x - Step 3: Cross multiply
74,516.84x = 102,827.14 × 43,885.08 - Step 4: Simplify right side
74,516.84x = 4,512,577,265.07 - Step 5: Solve for x
x = 4,512,577,265.07/74,516.84 - Step 6: Final answer
x = 60,557.82
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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.