Finding the Fourth Proportional to 74,206.92, 102,409.74 and 44,010.12
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Solution
The fourth proportional to 74,206.92, 102,409.74 and 44,010.12 is: 60,736.45
Step by Step Solution
- Step 1: Write the proportion equation
74,206.92 : 102,409.74 = 44,010.12 : x - Step 2: Convert to fraction form
74,206.92/102,409.74 = 44,010.12/x - Step 3: Cross multiply
74,206.92x = 102,409.74 × 44,010.12 - Step 4: Simplify right side
74,206.92x = 4,507,064,946.57 - Step 5: Solve for x
x = 4,507,064,946.57/74,206.92 - Step 6: Final answer
x = 60,736.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.