Finding the Fourth Proportional to 70,321.19, 105,340.44 and 32,829.53
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Solution
The fourth proportional to 70,321.19, 105,340.44 and 32,829.53 is: 49,178.31
Step by Step Solution
- Step 1: Write the proportion equation
70,321.19 : 105,340.44 = 32,829.53 : x - Step 2: Convert to fraction form
70,321.19/105,340.44 = 32,829.53/x - Step 3: Cross multiply
70,321.19x = 105,340.44 × 32,829.53 - Step 4: Simplify right side
70,321.19x = 3,458,277,135.19 - Step 5: Solve for x
x = 3,458,277,135.19/70,321.19 - Step 6: Final answer
x = 49,178.31
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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.