Finding the Fourth Proportional to 73,711.36, 110,479.56 and 42,482.08
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Solution
The fourth proportional to 73,711.36, 110,479.56 and 42,482.08 is: 63,672.70
Step by Step Solution
- Step 1: Write the proportion equation
73,711.36 : 110,479.56 = 42,482.08 : x - Step 2: Convert to fraction form
73,711.36/110,479.56 = 42,482.08/x - Step 3: Cross multiply
73,711.36x = 110,479.56 × 42,482.08 - Step 4: Simplify right side
73,711.36x = 4,693,401,506.28 - Step 5: Solve for x
x = 4,693,401,506.28/73,711.36 - Step 6: Final answer
x = 63,672.70
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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.