Finding the Fourth Proportional to 70,818.44, 106,225.74 and 21,570.44
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Solution
The fourth proportional to 70,818.44, 106,225.74 and 21,570.44 is: 32,355.08
Step by Step Solution
- Step 1: Write the proportion equation
70,818.44 : 106,225.74 = 21,570.44 : x - Step 2: Convert to fraction form
70,818.44/106,225.74 = 21,570.44/x - Step 3: Cross multiply
70,818.44x = 106,225.74 × 21,570.44 - Step 4: Simplify right side
70,818.44x = 2,291,335,951.13 - Step 5: Solve for x
x = 2,291,335,951.13/70,818.44 - Step 6: Final answer
x = 32,355.08
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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.