Finding the Fourth Proportional to 97,873.08, 135,064.92 and 53,161.08
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Solution
The fourth proportional to 97,873.08, 135,064.92 and 53,161.08 is: 73,362.33
Step by Step Solution
- Step 1: Write the proportion equation
97,873.08 : 135,064.92 = 53,161.08 : x - Step 2: Convert to fraction form
97,873.08/135,064.92 = 53,161.08/x - Step 3: Cross multiply
97,873.08x = 135,064.92 × 53,161.08 - Step 4: Simplify right side
97,873.08x = 7,180,197,017.31 - Step 5: Solve for x
x = 7,180,197,017.31/97,873.08 - Step 6: Final answer
x = 73,362.33
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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.