Finding the Fourth Proportional to 106,740.53, 147,293.07 and 58,993.88
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Solution
The fourth proportional to 106,740.53, 147,293.07 and 58,993.88 is: 81,406.66
Step by Step Solution
- Step 1: Write the proportion equation
106,740.53 : 147,293.07 = 58,993.88 : x - Step 2: Convert to fraction form
106,740.53/147,293.07 = 58,993.88/x - Step 3: Cross multiply
106,740.53x = 147,293.07 × 58,993.88 - Step 4: Simplify right side
106,740.53x = 8,689,389,696.41 - Step 5: Solve for x
x = 8,689,389,696.41/106,740.53 - Step 6: Final answer
x = 81,406.66
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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.