Finding the Fourth Proportional to 107,111.36, 160,711.11 and 47,108.96
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Solution
The fourth proportional to 107,111.36, 160,711.11 and 47,108.96 is: 70,682.82
Step by Step Solution
- Step 1: Write the proportion equation
107,111.36 : 160,711.11 = 47,108.96 : x - Step 2: Convert to fraction form
107,111.36/160,711.11 = 47,108.96/x - Step 3: Cross multiply
107,111.36x = 160,711.11 × 47,108.96 - Step 4: Simplify right side
107,111.36x = 7,570,933,252.55 - Step 5: Solve for x
x = 7,570,933,252.55/107,111.36 - Step 6: Final answer
x = 70,682.82
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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.