Finding the Fourth Proportional to 87,707.99, 131,337.82 and 48,221.71
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Solution
The fourth proportional to 87,707.99, 131,337.82 and 48,221.71 is: 72,209.32
Step by Step Solution
- Step 1: Write the proportion equation
87,707.99 : 131,337.82 = 48,221.71 : x - Step 2: Convert to fraction form
87,707.99/131,337.82 = 48,221.71/x - Step 3: Cross multiply
87,707.99x = 131,337.82 × 48,221.71 - Step 4: Simplify right side
87,707.99x = 6,333,334,224.45 - Step 5: Solve for x
x = 6,333,334,224.45/87,707.99 - Step 6: Final answer
x = 72,209.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.