Finding the Fourth Proportional to 73,779.34, 101,857.44 and 48,701.74
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Solution
The fourth proportional to 73,779.34, 101,857.44 and 48,701.74 is: 67,236.09
Step by Step Solution
- Step 1: Write the proportion equation
73,779.34 : 101,857.44 = 48,701.74 : x - Step 2: Convert to fraction form
73,779.34/101,857.44 = 48,701.74/x - Step 3: Cross multiply
73,779.34x = 101,857.44 × 48,701.74 - Step 4: Simplify right side
73,779.34x = 4,960,634,559.95 - Step 5: Solve for x
x = 4,960,634,559.95/73,779.34 - Step 6: Final answer
x = 67,236.09
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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.