Finding the Fourth Proportional to 96,789.58, 145,184.36 and 37,639.08
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Solution
The fourth proportional to 96,789.58, 145,184.36 and 37,639.08 is: 56,458.62
Step by Step Solution
- Step 1: Write the proportion equation
96,789.58 : 145,184.36 = 37,639.08 : x - Step 2: Convert to fraction form
96,789.58/145,184.36 = 37,639.08/x - Step 3: Cross multiply
96,789.58x = 145,184.36 × 37,639.08 - Step 4: Simplify right side
96,789.58x = 5,464,605,740.79 - Step 5: Solve for x
x = 5,464,605,740.79/96,789.58 - Step 6: Final answer
x = 56,458.62
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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.