Finding the Fourth Proportional to 71,204.19, 106,829.66 and 29,119.66
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Solution
The fourth proportional to 71,204.19, 106,829.66 and 29,119.66 is: 43,689.06
Step by Step Solution
- Step 1: Write the proportion equation
71,204.19 : 106,829.66 = 29,119.66 : x - Step 2: Convert to fraction form
71,204.19/106,829.66 = 29,119.66/x - Step 3: Cross multiply
71,204.19x = 106,829.66 × 29,119.66 - Step 4: Simplify right side
71,204.19x = 3,110,843,918.78 - Step 5: Solve for x
x = 3,110,843,918.78/71,204.19 - Step 6: Final answer
x = 43,689.06
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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.