Finding the Fourth Proportional to 106,770.76, 160,125.36 and 31,887.88
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Solution
The fourth proportional to 106,770.76, 160,125.36 and 31,887.88 is: 47,822.63
Step by Step Solution
- Step 1: Write the proportion equation
106,770.76 : 160,125.36 = 31,887.88 : x - Step 2: Convert to fraction form
106,770.76/160,125.36 = 31,887.88/x - Step 3: Cross multiply
106,770.76x = 160,125.36 × 31,887.88 - Step 4: Simplify right side
106,770.76x = 5,106,058,264.64 - Step 5: Solve for x
x = 5,106,058,264.64/106,770.76 - Step 6: Final answer
x = 47,822.63
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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.