Finding the Fourth Proportional to 77,235.50, 106,586.62 and 43,701.50
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Solution
The fourth proportional to 77,235.50, 106,586.62 and 43,701.50 is: 60,308.99
Step by Step Solution
- Step 1: Write the proportion equation
77,235.50 : 106,586.62 = 43,701.50 : x - Step 2: Convert to fraction form
77,235.50/106,586.62 = 43,701.50/x - Step 3: Cross multiply
77,235.50x = 106,586.62 × 43,701.50 - Step 4: Simplify right side
77,235.50x = 4,657,995,173.93 - Step 5: Solve for x
x = 4,657,995,173.93/77,235.50 - Step 6: Final answer
x = 60,308.99
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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.