Finding the Fourth Proportional to 75,302.44, 112,881.61 and 27,904.79
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Solution
The fourth proportional to 75,302.44, 112,881.61 and 27,904.79 is: 41,830.49
Step by Step Solution
- Step 1: Write the proportion equation
75,302.44 : 112,881.61 = 27,904.79 : x - Step 2: Convert to fraction form
75,302.44/112,881.61 = 27,904.79/x - Step 3: Cross multiply
75,302.44x = 112,881.61 × 27,904.79 - Step 4: Simplify right side
75,302.44x = 3,149,937,939.00 - Step 5: Solve for x
x = 3,149,937,939.00/75,302.44 - Step 6: Final answer
x = 41,830.49
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1.5x scale
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.