Finding the Fourth Proportional to 78,670.14, 108,567.39 and 44,680.08
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Solution
The fourth proportional to 78,670.14, 108,567.39 and 44,680.08 is: 61,659.99
Step by Step Solution
- Step 1: Write the proportion equation
78,670.14 : 108,567.39 = 44,680.08 : x - Step 2: Convert to fraction form
78,670.14/108,567.39 = 44,680.08/x - Step 3: Cross multiply
78,670.14x = 108,567.39 × 44,680.08 - Step 4: Simplify right side
78,670.14x = 4,850,799,670.59 - Step 5: Solve for x
x = 4,850,799,670.59/78,670.14 - Step 6: Final answer
x = 61,659.99
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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.