Finding the Fourth Proportional to 74,673.32, 112,009.99 and 43,486.70
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Solution
The fourth proportional to 74,673.32, 112,009.99 and 43,486.70 is: 65,230.06
Step by Step Solution
- Step 1: Write the proportion equation
74,673.32 : 112,009.99 = 43,486.70 : x - Step 2: Convert to fraction form
74,673.32/112,009.99 = 43,486.70/x - Step 3: Cross multiply
74,673.32x = 112,009.99 × 43,486.70 - Step 4: Simplify right side
74,673.32x = 4,870,944,832.13 - Step 5: Solve for x
x = 4,870,944,832.13/74,673.32 - Step 6: Final answer
x = 65,230.06
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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.