Finding the Fourth Proportional to 71,248.84, 106,838.74 and 29,112.19
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Solution
The fourth proportional to 71,248.84, 106,838.74 and 29,112.19 is: 43,654.18
Step by Step Solution
- Step 1: Write the proportion equation
71,248.84 : 106,838.74 = 29,112.19 : x - Step 2: Convert to fraction form
71,248.84/106,838.74 = 29,112.19/x - Step 3: Cross multiply
71,248.84x = 106,838.74 × 29,112.19 - Step 4: Simplify right side
71,248.84x = 3,110,309,698.24 - Step 5: Solve for x
x = 3,110,309,698.24/71,248.84 - Step 6: Final answer
x = 43,654.18
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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.