Finding the Fourth Proportional to 112,674.70, 155,491.08 and 62,373.70
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Solution
The fourth proportional to 112,674.70, 155,491.08 and 62,373.70 is: 86,075.70
Step by Step Solution
- Step 1: Write the proportion equation
112,674.70 : 155,491.08 = 62,373.70 : x - Step 2: Convert to fraction form
112,674.70/155,491.08 = 62,373.70/x - Step 3: Cross multiply
112,674.70x = 155,491.08 × 62,373.70 - Step 4: Simplify right side
112,674.70x = 9,698,553,976.60 - Step 5: Solve for x
x = 9,698,553,976.60/112,674.70 - Step 6: Final answer
x = 86,075.70
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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.