Finding the Fourth Proportional to 70,929.44, 106,080.45 and 63,086.99
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Solution
The fourth proportional to 70,929.44, 106,080.45 and 63,086.99 is: 94,351.46
Step by Step Solution
- Step 1: Write the proportion equation
70,929.44 : 106,080.45 = 63,086.99 : x - Step 2: Convert to fraction form
70,929.44/106,080.45 = 63,086.99/x - Step 3: Cross multiply
70,929.44x = 106,080.45 × 63,086.99 - Step 4: Simplify right side
70,929.44x = 6,692,296,288.35 - Step 5: Solve for x
x = 6,692,296,288.35/70,929.44 - Step 6: Final answer
x = 94,351.46
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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.