Finding the Fourth Proportional to 98,037.54, 135,291.80 and 55,596.08
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Solution
The fourth proportional to 98,037.54, 135,291.80 and 55,596.08 is: 76,722.59
Step by Step Solution
- Step 1: Write the proportion equation
98,037.54 : 135,291.80 = 55,596.08 : x - Step 2: Convert to fraction form
98,037.54/135,291.80 = 55,596.08/x - Step 3: Cross multiply
98,037.54x = 135,291.80 × 55,596.08 - Step 4: Simplify right side
98,037.54x = 7,521,694,213.36 - Step 5: Solve for x
x = 7,521,694,213.36/98,037.54 - Step 6: Final answer
x = 76,722.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.