Finding the Fourth Proportional to 76,972.70, 106,216.98 and 44,692.58
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Solution
The fourth proportional to 76,972.70, 106,216.98 and 44,692.58 is: 61,672.66
Step by Step Solution
- Step 1: Write the proportion equation
76,972.70 : 106,216.98 = 44,692.58 : x - Step 2: Convert to fraction form
76,972.70/106,216.98 = 44,692.58/x - Step 3: Cross multiply
76,972.70x = 106,216.98 × 44,692.58 - Step 4: Simplify right side
76,972.70x = 4,747,110,876.01 - Step 5: Solve for x
x = 4,747,110,876.01/76,972.70 - Step 6: Final answer
x = 61,672.66
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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.