Finding the Fourth Proportional to 112,899.84, 169,427.54 and 39,027.84
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Solution
The fourth proportional to 112,899.84, 169,427.54 and 39,027.84 is: 58,568.65
Step by Step Solution
- Step 1: Write the proportion equation
112,899.84 : 169,427.54 = 39,027.84 : x - Step 2: Convert to fraction form
112,899.84/169,427.54 = 39,027.84/x - Step 3: Cross multiply
112,899.84x = 169,427.54 × 39,027.84 - Step 4: Simplify right side
112,899.84x = 6,612,390,922.71 - Step 5: Solve for x
x = 6,612,390,922.71/112,899.84 - Step 6: Final answer
x = 58,568.65
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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.