Finding the Fourth Proportional to 83,974.28, 125,347.08 and 74,010.08
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Solution
The fourth proportional to 83,974.28, 125,347.08 and 74,010.08 is: 110,473.68
Step by Step Solution
- Step 1: Write the proportion equation
83,974.28 : 125,347.08 = 74,010.08 : x - Step 2: Convert to fraction form
83,974.28/125,347.08 = 74,010.08/x - Step 3: Cross multiply
83,974.28x = 125,347.08 × 74,010.08 - Step 4: Simplify right side
83,974.28x = 9,276,947,418.57 - Step 5: Solve for x
x = 9,276,947,418.57/83,974.28 - Step 6: Final answer
x = 110,473.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.