Finding the Fourth Proportional to 70,825.76, 106,116.07 and 49,725.80
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Solution
The fourth proportional to 70,825.76, 106,116.07 and 49,725.80 is: 74,502.65
Step by Step Solution
- Step 1: Write the proportion equation
70,825.76 : 106,116.07 = 49,725.80 : x - Step 2: Convert to fraction form
70,825.76/106,116.07 = 49,725.80/x - Step 3: Cross multiply
70,825.76x = 106,116.07 × 49,725.80 - Step 4: Simplify right side
70,825.76x = 5,276,706,473.61 - Step 5: Solve for x
x = 5,276,706,473.61/70,825.76 - Step 6: Final answer
x = 74,502.65
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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.