Finding the Fourth Proportional to 68,289.64, 102,227.10 and 66,008.68
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Solution
The fourth proportional to 68,289.64, 102,227.10 and 66,008.68 is: 98,812.59
Step by Step Solution
- Step 1: Write the proportion equation
68,289.64 : 102,227.10 = 66,008.68 : x - Step 2: Convert to fraction form
68,289.64/102,227.10 = 66,008.68/x - Step 3: Cross multiply
68,289.64x = 102,227.10 × 66,008.68 - Step 4: Simplify right side
68,289.64x = 6,747,875,931.23 - Step 5: Solve for x
x = 6,747,875,931.23/68,289.64 - Step 6: Final answer
x = 98,812.59
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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.