Finding the Fourth Proportional to 73,784.34, 101,864.34 and 48,706.74
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Solution
The fourth proportional to 73,784.34, 101,864.34 and 48,706.74 is: 67,242.99
Step by Step Solution
- Step 1: Write the proportion equation
73,784.34 : 101,864.34 = 48,706.74 : x - Step 2: Convert to fraction form
73,784.34/101,864.34 = 48,706.74/x - Step 3: Cross multiply
73,784.34x = 101,864.34 × 48,706.74 - Step 4: Simplify right side
73,784.34x = 4,961,479,923.65 - Step 5: Solve for x
x = 4,961,479,923.65/73,784.34 - Step 6: Final answer
x = 67,242.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.