Finding the Fourth Proportional to 79,534.09, 109,750.52 and 46,823.31
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Solution
The fourth proportional to 79,534.09, 109,750.52 and 46,823.31 is: 64,612.33
Step by Step Solution
- Step 1: Write the proportion equation
79,534.09 : 109,750.52 = 46,823.31 : x - Step 2: Convert to fraction form
79,534.09/109,750.52 = 46,823.31/x - Step 3: Cross multiply
79,534.09x = 109,750.52 × 46,823.31 - Step 4: Simplify right side
79,534.09x = 5,138,882,620.62 - Step 5: Solve for x
x = 5,138,882,620.62/79,534.09 - Step 6: Final answer
x = 64,612.33
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1.5x scale
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.