Finding the Fourth Proportional to 80,887.16, 121,331.06 and 24,727.06
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Solution
The fourth proportional to 80,887.16, 121,331.06 and 24,727.06 is: 37,090.69
Step by Step Solution
- Step 1: Write the proportion equation
80,887.16 : 121,331.06 = 24,727.06 : x - Step 2: Convert to fraction form
80,887.16/121,331.06 = 24,727.06/x - Step 3: Cross multiply
80,887.16x = 121,331.06 × 24,727.06 - Step 4: Simplify right side
80,887.16x = 3,000,160,400.48 - Step 5: Solve for x
x = 3,000,160,400.48/80,887.16 - Step 6: Final answer
x = 37,090.69
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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.