Finding the Fourth Proportional to 125,032.44, 172,547.40 and 68,443.84
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Solution
The fourth proportional to 125,032.44, 172,547.40 and 68,443.84 is: 94,453.94
Step by Step Solution
- Step 1: Write the proportion equation
125,032.44 : 172,547.40 = 68,443.84 : x - Step 2: Convert to fraction form
125,032.44/172,547.40 = 68,443.84/x - Step 3: Cross multiply
125,032.44x = 172,547.40 × 68,443.84 - Step 4: Simplify right side
125,032.44x = 11,809,806,638.02 - Step 5: Solve for x
x = 11,809,806,638.02/125,032.44 - Step 6: Final answer
x = 94,453.94
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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.