Finding the Fourth Proportional to 77,788.22, 107,349.91 and 47,573
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Solution
The fourth proportional to 77,788.22, 107,349.91 and 47,573 is: 65,652.06
Step by Step Solution
- Step 1: Write the proportion equation
77,788.22 : 107,349.91 = 47,573 : x - Step 2: Convert to fraction form
77,788.22/107,349.91 = 47,573/x - Step 3: Cross multiply
77,788.22x = 107,349.91 × 47,573 - Step 4: Simplify right side
77,788.22x = 5,106,957,268.43 - Step 5: Solve for x
x = 5,106,957,268.43/77,788.22 - Step 6: Final answer
x = 65,652.06
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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.