Finding the Fourth Proportional to 77,062.22, 115,627.96 and 48,975.00
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Solution
The fourth proportional to 77,062.22, 115,627.96 and 48,975.00 is: 73,484.50
Step by Step Solution
- Step 1: Write the proportion equation
77,062.22 : 115,627.96 = 48,975.00 : x - Step 2: Convert to fraction form
77,062.22/115,627.96 = 48,975.00/x - Step 3: Cross multiply
77,062.22x = 115,627.96 × 48,975.00 - Step 4: Simplify right side
77,062.22x = 5,662,878,693.13 - Step 5: Solve for x
x = 5,662,878,693.13/77,062.22 - Step 6: Final answer
x = 73,484.50
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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.