Finding the Fourth Proportional to 117,823.68, 162,584.28 and 66,820.05
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Solution
The fourth proportional to 117,823.68, 162,584.28 and 66,820.05 is: 92,204.64
Step by Step Solution
- Step 1: Write the proportion equation
117,823.68 : 162,584.28 = 66,820.05 : x - Step 2: Convert to fraction form
117,823.68/162,584.28 = 66,820.05/x - Step 3: Cross multiply
117,823.68x = 162,584.28 × 66,820.05 - Step 4: Simplify right side
117,823.68x = 10,863,889,718.81 - Step 5: Solve for x
x = 10,863,889,718.81/117,823.68 - Step 6: Final answer
x = 92,204.64
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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.