Finding the Fourth Proportional to 87,495.08, 120,742.50 and 47,751.08
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Solution
The fourth proportional to 87,495.08, 120,742.50 and 47,751.08 is: 65,896.10
Step by Step Solution
- Step 1: Write the proportion equation
87,495.08 : 120,742.50 = 47,751.08 : x - Step 2: Convert to fraction form
87,495.08/120,742.50 = 47,751.08/x - Step 3: Cross multiply
87,495.08x = 120,742.50 × 47,751.08 - Step 4: Simplify right side
87,495.08x = 5,765,584,776.90 - Step 5: Solve for x
x = 5,765,584,776.90/87,495.08 - Step 6: Final answer
x = 65,896.10
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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.