Finding the Fourth Proportional to 75,283.12, 112,930.14 and 22,696.69
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Solution
The fourth proportional to 75,283.12, 112,930.14 and 22,696.69 is: 34,046.68
Step by Step Solution
- Step 1: Write the proportion equation
75,283.12 : 112,930.14 = 22,696.69 : x - Step 2: Convert to fraction form
75,283.12/112,930.14 = 22,696.69/x - Step 3: Cross multiply
75,283.12x = 112,930.14 × 22,696.69 - Step 4: Simplify right side
75,283.12x = 2,563,140,379.24 - Step 5: Solve for x
x = 2,563,140,379.24/75,283.12 - Step 6: Final answer
x = 34,046.68
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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.