Finding the Fourth Proportional to 73,468.39, 110,209.88 and 29,125.75
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Solution
The fourth proportional to 73,468.39, 110,209.88 and 29,125.75 is: 43,691.52
Step by Step Solution
- Step 1: Write the proportion equation
73,468.39 : 110,209.88 = 29,125.75 : x - Step 2: Convert to fraction form
73,468.39/110,209.88 = 29,125.75/x - Step 3: Cross multiply
73,468.39x = 110,209.88 × 29,125.75 - Step 4: Simplify right side
73,468.39x = 3,209,945,412.41 - Step 5: Solve for x
x = 3,209,945,412.41/73,468.39 - Step 6: Final answer
x = 43,691.52
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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.