Finding the Fourth Proportional to 80,297.26, 110,848.74 and 56,444.38
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Solution
The fourth proportional to 80,297.26, 110,848.74 and 56,444.38 is: 77,920.32
Step by Step Solution
- Step 1: Write the proportion equation
80,297.26 : 110,848.74 = 56,444.38 : x - Step 2: Convert to fraction form
80,297.26/110,848.74 = 56,444.38/x - Step 3: Cross multiply
80,297.26x = 110,848.74 × 56,444.38 - Step 4: Simplify right side
80,297.26x = 6,256,788,403.08 - Step 5: Solve for x
x = 6,256,788,403.08/80,297.26 - Step 6: Final answer
x = 77,920.32
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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.