Finding the Fourth Proportional to 98,718.07, 148,076.99 and 32,158.09
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Solution
The fourth proportional to 98,718.07, 148,076.99 and 32,158.09 is: 48,237.09
Step by Step Solution
- Step 1: Write the proportion equation
98,718.07 : 148,076.99 = 32,158.09 : x - Step 2: Convert to fraction form
98,718.07/148,076.99 = 32,158.09/x - Step 3: Cross multiply
98,718.07x = 148,076.99 × 32,158.09 - Step 4: Simplify right side
98,718.07x = 4,761,872,640.37 - Step 5: Solve for x
x = 4,761,872,640.37/98,718.07 - Step 6: Final answer
x = 48,237.09
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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.