Finding the Fourth Proportional to 74,301.48, 111,474.12 and 27,543.48
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Solution
The fourth proportional to 74,301.48, 111,474.12 and 27,543.48 is: 41,323.34
Step by Step Solution
- Step 1: Write the proportion equation
74,301.48 : 111,474.12 = 27,543.48 : x - Step 2: Convert to fraction form
74,301.48/111,474.12 = 27,543.48/x - Step 3: Cross multiply
74,301.48x = 111,474.12 × 27,543.48 - Step 4: Simplify right side
74,301.48x = 3,070,385,194.74 - Step 5: Solve for x
x = 3,070,385,194.74/74,301.48 - Step 6: Final answer
x = 41,323.34
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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.