Finding the Fourth Proportional to 73,764.25, 110,646.44 and 31,616.98
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Solution
The fourth proportional to 73,764.25, 110,646.44 and 31,616.98 is: 47,425.50
Step by Step Solution
- Step 1: Write the proportion equation
73,764.25 : 110,646.44 = 31,616.98 : x - Step 2: Convert to fraction form
73,764.25/110,646.44 = 31,616.98/x - Step 3: Cross multiply
73,764.25x = 110,646.44 × 31,616.98 - Step 4: Simplify right side
73,764.25x = 3,498,306,280.55 - Step 5: Solve for x
x = 3,498,306,280.55/73,764.25 - Step 6: Final answer
x = 47,425.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.