Finding the Fourth Proportional to 77,260.77, 115,866.05 and 24,657.75
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Solution
The fourth proportional to 77,260.77, 115,866.05 and 24,657.75 is: 36,978.61
Step by Step Solution
- Step 1: Write the proportion equation
77,260.77 : 115,866.05 = 24,657.75 : x - Step 2: Convert to fraction form
77,260.77/115,866.05 = 24,657.75/x - Step 3: Cross multiply
77,260.77x = 115,866.05 × 24,657.75 - Step 4: Simplify right side
77,260.77x = 2,856,995,971.10 - Step 5: Solve for x
x = 2,856,995,971.10/77,260.77 - Step 6: Final answer
x = 36,978.61
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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.