Finding the Fourth Proportional to 107,652.98, 161,479.56 and 51,479.84
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Solution
The fourth proportional to 107,652.98, 161,479.56 and 51,479.84 is: 77,219.80
Step by Step Solution
- Step 1: Write the proportion equation
107,652.98 : 161,479.56 = 51,479.84 : x - Step 2: Convert to fraction form
107,652.98/161,479.56 = 51,479.84/x - Step 3: Cross multiply
107,652.98x = 161,479.56 × 51,479.84 - Step 4: Simplify right side
107,652.98x = 8,312,941,912.07 - Step 5: Solve for x
x = 8,312,941,912.07/107,652.98 - Step 6: Final answer
x = 77,219.80
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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.