Finding the Fourth Proportional to 97,873.08, 135,074.32 and 54,859.87
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Solution
The fourth proportional to 97,873.08, 135,074.32 and 54,859.87 is: 75,711.93
Step by Step Solution
- Step 1: Write the proportion equation
97,873.08 : 135,074.32 = 54,859.87 : x - Step 2: Convert to fraction form
97,873.08/135,074.32 = 54,859.87/x - Step 3: Cross multiply
97,873.08x = 135,074.32 × 54,859.87 - Step 4: Simplify right side
97,873.08x = 7,410,159,667.23 - Step 5: Solve for x
x = 7,410,159,667.23/97,873.08 - Step 6: Final answer
x = 75,711.93
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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.