Finding the Fourth Proportional to 97,163.56, 134,119.26 and 56,890.26
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Solution
The fourth proportional to 97,163.56, 134,119.26 and 56,890.26 is: 78,528.20
Step by Step Solution
- Step 1: Write the proportion equation
97,163.56 : 134,119.26 = 56,890.26 : x - Step 2: Convert to fraction form
97,163.56/134,119.26 = 56,890.26/x - Step 3: Cross multiply
97,163.56x = 134,119.26 × 56,890.26 - Step 4: Simplify right side
97,163.56x = 7,630,079,572.41 - Step 5: Solve for x
x = 7,630,079,572.41/97,163.56 - Step 6: Final answer
x = 78,528.20
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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.