Finding the Fourth Proportional to 96,842.88, 145,320.24 and 40,678.08
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Solution
The fourth proportional to 96,842.88, 145,320.24 and 40,678.08 is: 61,040.61
Step by Step Solution
- Step 1: Write the proportion equation
96,842.88 : 145,320.24 = 40,678.08 : x - Step 2: Convert to fraction form
96,842.88/145,320.24 = 40,678.08/x - Step 3: Cross multiply
96,842.88x = 145,320.24 × 40,678.08 - Step 4: Simplify right side
96,842.88x = 5,911,348,348.34 - Step 5: Solve for x
x = 5,911,348,348.34/96,842.88 - Step 6: Final answer
x = 61,040.61
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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.