Finding the Fourth Proportional to 106,564.27, 147,059.91 and 58,817.62
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Solution
The fourth proportional to 106,564.27, 147,059.91 and 58,817.62 is: 81,168.99
Step by Step Solution
- Step 1: Write the proportion equation
106,564.27 : 147,059.91 = 58,817.62 : x - Step 2: Convert to fraction form
106,564.27/147,059.91 = 58,817.62/x - Step 3: Cross multiply
106,564.27x = 147,059.91 × 58,817.62 - Step 4: Simplify right side
106,564.27x = 8,649,713,903.61 - Step 5: Solve for x
x = 8,649,713,903.61/106,564.27 - Step 6: Final answer
x = 81,168.99
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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.