Finding the Fourth Proportional to 79,548.95, 119,542.13 and 74,347.53
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Solution
The fourth proportional to 79,548.95, 119,542.13 and 74,347.53 is: 111,725.70
Step by Step Solution
- Step 1: Write the proportion equation
79,548.95 : 119,542.13 = 74,347.53 : x - Step 2: Convert to fraction form
79,548.95/119,542.13 = 74,347.53/x - Step 3: Cross multiply
79,548.95x = 119,542.13 × 74,347.53 - Step 4: Simplify right side
79,548.95x = 8,887,662,172.98 - Step 5: Solve for x
x = 8,887,662,172.98/79,548.95 - Step 6: Final answer
x = 111,725.70
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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.