Finding the Fourth Proportional to 68,118.71, 102,088.08 and 52,263.09
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Solution
The fourth proportional to 68,118.71, 102,088.08 and 52,263.09 is: 78,325.60
Step by Step Solution
- Step 1: Write the proportion equation
68,118.71 : 102,088.08 = 52,263.09 : x - Step 2: Convert to fraction form
68,118.71/102,088.08 = 52,263.09/x - Step 3: Cross multiply
68,118.71x = 102,088.08 × 52,263.09 - Step 4: Simplify right side
68,118.71x = 5,335,438,512.97 - Step 5: Solve for x
x = 5,335,438,512.97/68,118.71 - Step 6: Final answer
x = 78,325.60
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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.