Finding the Fourth Proportional to 106,276.23, 159,305.00 and 47,139.75
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Solution
The fourth proportional to 106,276.23, 159,305.00 and 47,139.75 is: 70,661.12
Step by Step Solution
- Step 1: Write the proportion equation
106,276.23 : 159,305.00 = 47,139.75 : x - Step 2: Convert to fraction form
106,276.23/159,305.00 = 47,139.75/x - Step 3: Cross multiply
106,276.23x = 159,305.00 × 47,139.75 - Step 4: Simplify right side
106,276.23x = 7,509,597,638.05 - Step 5: Solve for x
x = 7,509,597,638.05/106,276.23 - Step 6: Final answer
x = 70,661.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.