Finding the Fourth Proportional to 79,782.65, 119,673.60 and 23,623.09
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Solution
The fourth proportional to 79,782.65, 119,673.60 and 23,623.09 is: 35,434.52
Step by Step Solution
- Step 1: Write the proportion equation
79,782.65 : 119,673.60 = 23,623.09 : x - Step 2: Convert to fraction form
79,782.65/119,673.60 = 23,623.09/x - Step 3: Cross multiply
79,782.65x = 119,673.60 × 23,623.09 - Step 4: Simplify right side
79,782.65x = 2,827,060,223.42 - Step 5: Solve for x
x = 2,827,060,223.42/79,782.65 - Step 6: Final answer
x = 35,434.52
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1.5x scale
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.