Finding the Fourth Proportional to 87,110.20, 130,334.86 and 51,590.53
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Solution
The fourth proportional to 87,110.20, 130,334.86 and 51,590.53 is: 77,190.09
Step by Step Solution
- Step 1: Write the proportion equation
87,110.20 : 130,334.86 = 51,590.53 : x - Step 2: Convert to fraction form
87,110.20/130,334.86 = 51,590.53/x - Step 3: Cross multiply
87,110.20x = 130,334.86 × 51,590.53 - Step 4: Simplify right side
87,110.20x = 6,724,044,504.88 - Step 5: Solve for x
x = 6,724,044,504.88/87,110.20 - Step 6: Final answer
x = 77,190.09
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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.