Finding the Fourth Proportional to 77,050.08, 115,608.51 and 27,165.81
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Solution
The fourth proportional to 77,050.08, 115,608.51 and 27,165.81 is: 40,760.49
Step by Step Solution
- Step 1: Write the proportion equation
77,050.08 : 115,608.51 = 27,165.81 : x - Step 2: Convert to fraction form
77,050.08/115,608.51 = 27,165.81/x - Step 3: Cross multiply
77,050.08x = 115,608.51 × 27,165.81 - Step 4: Simplify right side
77,050.08x = 3,140,598,817.04 - Step 5: Solve for x
x = 3,140,598,817.04/77,050.08 - Step 6: Final answer
x = 40,760.49
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1.5x scale
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.