Finding the Fourth Proportional to 73,014.04, 109,473.99 and 28,645.28
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Solution
The fourth proportional to 73,014.04, 109,473.99 and 28,645.28 is: 42,949.45
Step by Step Solution
- Step 1: Write the proportion equation
73,014.04 : 109,473.99 = 28,645.28 : x - Step 2: Convert to fraction form
73,014.04/109,473.99 = 28,645.28/x - Step 3: Cross multiply
73,014.04x = 109,473.99 × 28,645.28 - Step 4: Simplify right side
73,014.04x = 3,135,912,953.04 - Step 5: Solve for x
x = 3,135,912,953.04/73,014.04 - Step 6: Final answer
x = 42,949.45
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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.