Finding the Fourth Proportional to 106,526.36, 147,007.26 and 58,782.92
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Solution
The fourth proportional to 106,526.36, 147,007.26 and 58,782.92 is: 81,120.92
Step by Step Solution
- Step 1: Write the proportion equation
106,526.36 : 147,007.26 = 58,782.92 : x - Step 2: Convert to fraction form
106,526.36/147,007.26 = 58,782.92/x - Step 3: Cross multiply
106,526.36x = 147,007.26 × 58,782.92 - Step 4: Simplify right side
106,526.36x = 8,641,516,004.00 - Step 5: Solve for x
x = 8,641,516,004.00/106,526.36 - Step 6: Final answer
x = 81,120.92
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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.