Finding the Fourth Proportional to 79,700.65, 119,291.78 and 62,075.05
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Solution
The fourth proportional to 79,700.65, 119,291.78 and 62,075.05 is: 92,910.70
Step by Step Solution
- Step 1: Write the proportion equation
79,700.65 : 119,291.78 = 62,075.05 : x - Step 2: Convert to fraction form
79,700.65/119,291.78 = 62,075.05/x - Step 3: Cross multiply
79,700.65x = 119,291.78 × 62,075.05 - Step 4: Simplify right side
79,700.65x = 7,405,042,897.71 - Step 5: Solve for x
x = 7,405,042,897.71/79,700.65 - Step 6: Final answer
x = 92,910.70
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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.