Finding the Fourth Proportional to 75,014.11, 112,525.30 and 22,427.70
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Solution
The fourth proportional to 75,014.11, 112,525.30 and 22,427.70 is: 33,642.79
Step by Step Solution
- Step 1: Write the proportion equation
75,014.11 : 112,525.30 = 22,427.70 : x - Step 2: Convert to fraction form
75,014.11/112,525.30 = 22,427.70/x - Step 3: Cross multiply
75,014.11x = 112,525.30 × 22,427.70 - Step 4: Simplify right side
75,014.11x = 2,523,683,670.81 - Step 5: Solve for x
x = 2,523,683,670.81/75,014.11 - Step 6: Final answer
x = 33,642.79
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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.