Finding the Fourth Proportional to 92,965.10, 139,456.86 and 29,769.36
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Solution
The fourth proportional to 92,965.10, 139,456.86 and 29,769.36 is: 44,656.99
Step by Step Solution
- Step 1: Write the proportion equation
92,965.10 : 139,456.86 = 29,769.36 : x - Step 2: Convert to fraction form
92,965.10/139,456.86 = 29,769.36/x - Step 3: Cross multiply
92,965.10x = 139,456.86 × 29,769.36 - Step 4: Simplify right side
92,965.10x = 4,151,541,469.81 - Step 5: Solve for x
x = 4,151,541,469.81/92,965.10 - Step 6: Final answer
x = 44,656.99
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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.