Finding the Fourth Proportional to 90,601.56, 135,848.68 and 27,402.53
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Solution
The fourth proportional to 90,601.56, 135,848.68 and 27,402.53 is: 41,087.56
Step by Step Solution
- Step 1: Write the proportion equation
90,601.56 : 135,848.68 = 27,402.53 : x - Step 2: Convert to fraction form
90,601.56/135,848.68 = 27,402.53/x - Step 3: Cross multiply
90,601.56x = 135,848.68 × 27,402.53 - Step 4: Simplify right side
90,601.56x = 3,722,596,781.41 - Step 5: Solve for x
x = 3,722,596,781.41/90,601.56 - Step 6: Final answer
x = 41,087.56
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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.