Finding the Fourth Proportional to 68,311.36, 102,513.35 and 23,938.75
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Solution
The fourth proportional to 68,311.36, 102,513.35 and 23,938.75 is: 35,924.35
Step by Step Solution
- Step 1: Write the proportion equation
68,311.36 : 102,513.35 = 23,938.75 : x - Step 2: Convert to fraction form
68,311.36/102,513.35 = 23,938.75/x - Step 3: Cross multiply
68,311.36x = 102,513.35 × 23,938.75 - Step 4: Simplify right side
68,311.36x = 2,454,041,457.31 - Step 5: Solve for x
x = 2,454,041,457.31/68,311.36 - Step 6: Final answer
x = 35,924.35
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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.