Finding the Fourth Proportional to 94,970.55, 142,403.25 and 38,850.09
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Solution
The fourth proportional to 94,970.55, 142,403.25 and 38,850.09 is: 58,253.63
Step by Step Solution
- Step 1: Write the proportion equation
94,970.55 : 142,403.25 = 38,850.09 : x - Step 2: Convert to fraction form
94,970.55/142,403.25 = 38,850.09/x - Step 3: Cross multiply
94,970.55x = 142,403.25 × 38,850.09 - Step 4: Simplify right side
94,970.55x = 5,532,379,078.79 - Step 5: Solve for x
x = 5,532,379,078.79/94,970.55 - Step 6: Final answer
x = 58,253.63
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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.