Finding the Fourth Proportional to 106,954.67, 147,599.19 and 58,555.79
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Solution
The fourth proportional to 106,954.67, 147,599.19 and 58,555.79 is: 80,807.95
Step by Step Solution
- Step 1: Write the proportion equation
106,954.67 : 147,599.19 = 58,555.79 : x - Step 2: Convert to fraction form
106,954.67/147,599.19 = 58,555.79/x - Step 3: Cross multiply
106,954.67x = 147,599.19 × 58,555.79 - Step 4: Simplify right side
106,954.67x = 8,642,787,542.81 - Step 5: Solve for x
x = 8,642,787,542.81/106,954.67 - Step 6: Final answer
x = 80,807.95
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1.5x scale
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.