Finding the Fourth Proportional to 101,623.68, 152,530.07 and 51,741.09
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Solution
The fourth proportional to 101,623.68, 152,530.07 and 51,741.09 is: 77,659.77
Step by Step Solution
- Step 1: Write the proportion equation
101,623.68 : 152,530.07 = 51,741.09 : x - Step 2: Convert to fraction form
101,623.68/152,530.07 = 51,741.09/x - Step 3: Cross multiply
101,623.68x = 152,530.07 × 51,741.09 - Step 4: Simplify right side
101,623.68x = 7,892,071,820.87 - Step 5: Solve for x
x = 7,892,071,820.87/101,623.68 - Step 6: Final answer
x = 77,659.77
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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.