Finding the Fourth Proportional to 77,257.76, 115,938.57 and 27,337.65
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Solution
The fourth proportional to 77,257.76, 115,938.57 and 27,337.65 is: 41,024.85
Step by Step Solution
- Step 1: Write the proportion equation
77,257.76 : 115,938.57 = 27,337.65 : x - Step 2: Convert to fraction form
77,257.76/115,938.57 = 27,337.65/x - Step 3: Cross multiply
77,257.76x = 115,938.57 × 27,337.65 - Step 4: Simplify right side
77,257.76x = 3,169,488,048.16 - Step 5: Solve for x
x = 3,169,488,048.16/77,257.76 - Step 6: Final answer
x = 41,024.85
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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.