Finding the Fourth Proportional to 90,057.08, 135,037.02 and 63,813.08
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Solution
The fourth proportional to 90,057.08, 135,037.02 and 63,813.08 is: 95,685.18
Step by Step Solution
- Step 1: Write the proportion equation
90,057.08 : 135,037.02 = 63,813.08 : x - Step 2: Convert to fraction form
90,057.08/135,037.02 = 63,813.08/x - Step 3: Cross multiply
90,057.08x = 135,037.02 × 63,813.08 - Step 4: Simplify right side
90,057.08x = 8,617,128,160.22 - Step 5: Solve for x
x = 8,617,128,160.22/90,057.08 - Step 6: Final answer
x = 95,685.18
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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.