Finding the Fourth Proportional to 84,028.92, 115,967.88 and 48,226.92
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Solution
The fourth proportional to 84,028.92, 115,967.88 and 48,226.92 is: 66,557.72
Step by Step Solution
- Step 1: Write the proportion equation
84,028.92 : 115,967.88 = 48,226.92 : x - Step 2: Convert to fraction form
84,028.92/115,967.88 = 48,226.92/x - Step 3: Cross multiply
84,028.92x = 115,967.88 × 48,226.92 - Step 4: Simplify right side
84,028.92x = 5,592,773,671.33 - Step 5: Solve for x
x = 5,592,773,671.33/84,028.92 - Step 6: Final answer
x = 66,557.72
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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.