Finding the Fourth Proportional to 90,165.91, 135,261.17 and 37,563.09
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Solution
The fourth proportional to 90,165.91, 135,261.17 and 37,563.09 is: 56,349.76
Step by Step Solution
- Step 1: Write the proportion equation
90,165.91 : 135,261.17 = 37,563.09 : x - Step 2: Convert to fraction form
90,165.91/135,261.17 = 37,563.09/x - Step 3: Cross multiply
90,165.91x = 135,261.17 × 37,563.09 - Step 4: Simplify right side
90,165.91x = 5,080,827,502.22 - Step 5: Solve for x
x = 5,080,827,502.22/90,165.91 - Step 6: Final answer
x = 56,349.76
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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.