Finding the Fourth Proportional to 84,620.99, 116,788.62 and 48,810.21
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Solution
The fourth proportional to 84,620.99, 116,788.62 and 48,810.21 is: 67,364.82
Step by Step Solution
- Step 1: Write the proportion equation
84,620.99 : 116,788.62 = 48,810.21 : x - Step 2: Convert to fraction form
84,620.99/116,788.62 = 48,810.21/x - Step 3: Cross multiply
84,620.99x = 116,788.62 × 48,810.21 - Step 4: Simplify right side
84,620.99x = 5,700,477,067.81 - Step 5: Solve for x
x = 5,700,477,067.81/84,620.99 - Step 6: Final answer
x = 67,364.82
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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.