Finding the Fourth Proportional to 90,165.24, 135,159.97 and 37,589.76
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Solution
The fourth proportional to 90,165.24, 135,159.97 and 37,589.76 is: 56,348.00
Step by Step Solution
- Step 1: Write the proportion equation
90,165.24 : 135,159.97 = 37,589.76 : x - Step 2: Convert to fraction form
90,165.24/135,159.97 = 37,589.76/x - Step 3: Cross multiply
90,165.24x = 135,159.97 × 37,589.76 - Step 4: Simplify right side
90,165.24x = 5,080,630,833.91 - Step 5: Solve for x
x = 5,080,630,833.91/90,165.24 - Step 6: Final answer
x = 56,348.00
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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.