Finding the Fourth Proportional to 77,794.56, 107,356.80 and 44,259.84
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Solution
The fourth proportional to 77,794.56, 107,356.80 and 44,259.84 is: 61,078.75
Step by Step Solution
- Step 1: Write the proportion equation
77,794.56 : 107,356.80 = 44,259.84 : x - Step 2: Convert to fraction form
77,794.56/107,356.80 = 44,259.84/x - Step 3: Cross multiply
77,794.56x = 107,356.80 × 44,259.84 - Step 4: Simplify right side
77,794.56x = 4,751,594,790.91 - Step 5: Solve for x
x = 4,751,594,790.91/77,794.56 - Step 6: Final answer
x = 61,078.75
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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.