Finding the Fourth Proportional to 75,291.18, 112,955.97 and 28,544.94
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Solution
The fourth proportional to 75,291.18, 112,955.97 and 28,544.94 is: 42,824.69
Step by Step Solution
- Step 1: Write the proportion equation
75,291.18 : 112,955.97 = 28,544.94 : x - Step 2: Convert to fraction form
75,291.18/112,955.97 = 28,544.94/x - Step 3: Cross multiply
75,291.18x = 112,955.97 × 28,544.94 - Step 4: Simplify right side
75,291.18x = 3,224,321,386.29 - Step 5: Solve for x
x = 3,224,321,386.29/75,291.18 - Step 6: Final answer
x = 42,824.69
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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.