Finding the Fourth Proportional to 69,853.73, 104,305.49 and 65,907.14
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Solution
The fourth proportional to 69,853.73, 104,305.49 and 65,907.14 is: 98,412.45
Step by Step Solution
- Step 1: Write the proportion equation
69,853.73 : 104,305.49 = 65,907.14 : x - Step 2: Convert to fraction form
69,853.73/104,305.49 = 65,907.14/x - Step 3: Cross multiply
69,853.73x = 104,305.49 × 65,907.14 - Step 4: Simplify right side
69,853.73x = 6,874,475,928.29 - Step 5: Solve for x
x = 6,874,475,928.29/69,853.73 - Step 6: Final answer
x = 98,412.45
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1.5x scale
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.