Finding the Fourth Proportional to 69,940.65, 104,941.98 and 36,652.80
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Solution
The fourth proportional to 69,940.65, 104,941.98 and 36,652.80 is: 54,995.45
Step by Step Solution
- Step 1: Write the proportion equation
69,940.65 : 104,941.98 = 36,652.80 : x - Step 2: Convert to fraction form
69,940.65/104,941.98 = 36,652.80/x - Step 3: Cross multiply
69,940.65x = 104,941.98 × 36,652.80 - Step 4: Simplify right side
69,940.65x = 3,846,417,404.54 - Step 5: Solve for x
x = 3,846,417,404.54/69,940.65 - Step 6: Final answer
x = 54,995.45
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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.