Finding the Fourth Proportional to 70,883.04, 106,231.76 and 35,803.68
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Solution
The fourth proportional to 70,883.04, 106,231.76 and 35,803.68 is: 53,658.65
Step by Step Solution
- Step 1: Write the proportion equation
70,883.04 : 106,231.76 = 35,803.68 : x - Step 2: Convert to fraction form
70,883.04/106,231.76 = 35,803.68/x - Step 3: Cross multiply
70,883.04x = 106,231.76 × 35,803.68 - Step 4: Simplify right side
70,883.04x = 3,803,487,940.88 - Step 5: Solve for x
x = 3,803,487,940.88/70,883.04 - Step 6: Final answer
x = 53,658.65
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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.