Finding the Fourth Proportional to 107,519.18, 148,381.52 and 59,773.32
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Solution
The fourth proportional to 107,519.18, 148,381.52 and 59,773.32 is: 82,489.99
Step by Step Solution
- Step 1: Write the proportion equation
107,519.18 : 148,381.52 = 59,773.32 : x - Step 2: Convert to fraction form
107,519.18/148,381.52 = 59,773.32/x - Step 3: Cross multiply
107,519.18x = 148,381.52 × 59,773.32 - Step 4: Simplify right side
107,519.18x = 8,869,255,778.18 - Step 5: Solve for x
x = 8,869,255,778.18/107,519.18 - Step 6: Final answer
x = 82,489.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.