Finding the Fourth Proportional to 97,884.29, 135,099.75 and 63,898.31
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Solution
The fourth proportional to 97,884.29, 135,099.75 and 63,898.31 is: 88,192.35
Step by Step Solution
- Step 1: Write the proportion equation
97,884.29 : 135,099.75 = 63,898.31 : x - Step 2: Convert to fraction form
97,884.29/135,099.75 = 63,898.31/x - Step 3: Cross multiply
97,884.29x = 135,099.75 × 63,898.31 - Step 4: Simplify right side
97,884.29x = 8,632,645,030.92 - Step 5: Solve for x
x = 8,632,645,030.92/97,884.29 - Step 6: Final answer
x = 88,192.35
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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.