Finding the Fourth Proportional to 90,695.56, 136,043.12 and 24,135.68
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Solution
The fourth proportional to 90,695.56, 136,043.12 and 24,135.68 is: 36,203.46
Step by Step Solution
- Step 1: Write the proportion equation
90,695.56 : 136,043.12 = 24,135.68 : x - Step 2: Convert to fraction form
90,695.56/136,043.12 = 24,135.68/x - Step 3: Cross multiply
90,695.56x = 136,043.12 × 24,135.68 - Step 4: Simplify right side
90,695.56x = 3,283,493,210.52 - Step 5: Solve for x
x = 3,283,493,210.52/90,695.56 - Step 6: Final answer
x = 36,203.46
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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.