Finding the Fourth Proportional to 91,027.36, 136,602.96 and 55,859.68
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Solution
The fourth proportional to 91,027.36, 136,602.96 and 55,859.68 is: 83,827.52
Step by Step Solution
- Step 1: Write the proportion equation
91,027.36 : 136,602.96 = 55,859.68 : x - Step 2: Convert to fraction form
91,027.36/136,602.96 = 55,859.68/x - Step 3: Cross multiply
91,027.36x = 136,602.96 × 55,859.68 - Step 4: Simplify right side
91,027.36x = 7,630,597,632.65 - Step 5: Solve for x
x = 7,630,597,632.65/91,027.36 - Step 6: Final answer
x = 83,827.52
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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.