Finding the Fourth Proportional to 106,573.46, 159,813.68 and 56,641.55
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Solution
The fourth proportional to 106,573.46, 159,813.68 and 56,641.55 is: 84,937.60
Step by Step Solution
- Step 1: Write the proportion equation
106,573.46 : 159,813.68 = 56,641.55 : x - Step 2: Convert to fraction form
106,573.46/159,813.68 = 56,641.55/x - Step 3: Cross multiply
106,573.46x = 159,813.68 × 56,641.55 - Step 4: Simplify right side
106,573.46x = 9,052,093,464.13 - Step 5: Solve for x
x = 9,052,093,464.13/106,573.46 - Step 6: Final answer
x = 84,937.60
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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.