Finding the Fourth Proportional to 67,342.10, 101,207.55 and 66,175.70
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Solution
The fourth proportional to 67,342.10, 101,207.55 and 66,175.70 is: 99,454.58
Step by Step Solution
- Step 1: Write the proportion equation
67,342.10 : 101,207.55 = 66,175.70 : x - Step 2: Convert to fraction form
67,342.10/101,207.55 = 66,175.70/x - Step 3: Cross multiply
67,342.10x = 101,207.55 × 66,175.70 - Step 4: Simplify right side
67,342.10x = 6,697,480,466.54 - Step 5: Solve for x
x = 6,697,480,466.54/67,342.10 - Step 6: Final answer
x = 99,454.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.