Finding the Fourth Proportional to 77,271.68, 106,627.74 and 43,737.68
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Solution
The fourth proportional to 77,271.68, 106,627.74 and 43,737.68 is: 60,353.94
Step by Step Solution
- Step 1: Write the proportion equation
77,271.68 : 106,627.74 = 43,737.68 : x - Step 2: Convert to fraction form
77,271.68/106,627.74 = 43,737.68/x - Step 3: Cross multiply
77,271.68x = 106,627.74 × 43,737.68 - Step 4: Simplify right side
77,271.68x = 4,663,649,971.24 - Step 5: Solve for x
x = 4,663,649,971.24/77,271.68 - Step 6: Final answer
x = 60,353.94
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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.