Finding the Fourth Proportional to 107,643.84, 161,472.36 and 32,769.54
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Solution
The fourth proportional to 107,643.84, 161,472.36 and 32,769.54 is: 49,156.32
Step by Step Solution
- Step 1: Write the proportion equation
107,643.84 : 161,472.36 = 32,769.54 : x - Step 2: Convert to fraction form
107,643.84/161,472.36 = 32,769.54/x - Step 3: Cross multiply
107,643.84x = 161,472.36 × 32,769.54 - Step 4: Simplify right side
107,643.84x = 5,291,374,536.49 - Step 5: Solve for x
x = 5,291,374,536.49/107,643.84 - Step 6: Final answer
x = 49,156.32
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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.