Finding the Fourth Proportional to 98,257.37, 135,598.79 and 55,823.09
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Solution
The fourth proportional to 98,257.37, 135,598.79 and 55,823.09 is: 77,037.92
Step by Step Solution
- Step 1: Write the proportion equation
98,257.37 : 135,598.79 = 55,823.09 : x - Step 2: Convert to fraction form
98,257.37/135,598.79 = 55,823.09/x - Step 3: Cross multiply
98,257.37x = 135,598.79 × 55,823.09 - Step 4: Simplify right side
98,257.37x = 7,569,542,919.62 - Step 5: Solve for x
x = 7,569,542,919.62/98,257.37 - Step 6: Final answer
x = 77,037.92
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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.