Finding the Fourth Proportional to 83,965.24, 125,924.48 and 27,809.74
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Solution
The fourth proportional to 83,965.24, 125,924.48 and 27,809.74 is: 41,706.87
Step by Step Solution
- Step 1: Write the proportion equation
83,965.24 : 125,924.48 = 27,809.74 : x - Step 2: Convert to fraction form
83,965.24/125,924.48 = 27,809.74/x - Step 3: Cross multiply
83,965.24x = 125,924.48 × 27,809.74 - Step 4: Simplify right side
83,965.24x = 3,501,927,048.44 - Step 5: Solve for x
x = 3,501,927,048.44/83,965.24 - Step 6: Final answer
x = 41,706.87
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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.