Finding the Fourth Proportional to 88,589.98, 122,223.66 and 61,722.70
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Solution
The fourth proportional to 88,589.98, 122,223.66 and 61,722.70 is: 85,156.07
Step by Step Solution
- Step 1: Write the proportion equation
88,589.98 : 122,223.66 = 61,722.70 : x - Step 2: Convert to fraction form
88,589.98/122,223.66 = 61,722.70/x - Step 3: Cross multiply
88,589.98x = 122,223.66 × 61,722.70 - Step 4: Simplify right side
88,589.98x = 7,543,974,299.08 - Step 5: Solve for x
x = 7,543,974,299.08/88,589.98 - Step 6: Final answer
x = 85,156.07
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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.