Finding the Fourth Proportional to 106,757.09, 147,318.48 and 59,007.59
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Solution
The fourth proportional to 106,757.09, 147,318.48 and 59,007.59 is: 81,426.99
Step by Step Solution
- Step 1: Write the proportion equation
106,757.09 : 147,318.48 = 59,007.59 : x - Step 2: Convert to fraction form
106,757.09/147,318.48 = 59,007.59/x - Step 3: Cross multiply
106,757.09x = 147,318.48 × 59,007.59 - Step 4: Simplify right side
106,757.09x = 8,692,907,730.67 - Step 5: Solve for x
x = 8,692,907,730.67/106,757.09 - Step 6: Final answer
x = 81,426.99
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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.