Finding the Fourth Proportional to 73,044.36, 109,498.38 and 39,715.08
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Solution
The fourth proportional to 73,044.36, 109,498.38 and 39,715.08 is: 59,535.56
Step by Step Solution
- Step 1: Write the proportion equation
73,044.36 : 109,498.38 = 39,715.08 : x - Step 2: Convert to fraction form
73,044.36/109,498.38 = 39,715.08/x - Step 3: Cross multiply
73,044.36x = 109,498.38 × 39,715.08 - Step 4: Simplify right side
73,044.36x = 4,348,736,921.57 - Step 5: Solve for x
x = 4,348,736,921.57/73,044.36 - Step 6: Final answer
x = 59,535.56
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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.