Finding the Fourth Proportional to 73,893.20, 110,818.20 and 26,502.80
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Solution
The fourth proportional to 73,893.20, 110,818.20 and 26,502.80 is: 39,746.45
Step by Step Solution
- Step 1: Write the proportion equation
73,893.20 : 110,818.20 = 26,502.80 : x - Step 2: Convert to fraction form
73,893.20/110,818.20 = 26,502.80/x - Step 3: Cross multiply
73,893.20x = 110,818.20 × 26,502.80 - Step 4: Simplify right side
73,893.20x = 2,936,992,590.96 - Step 5: Solve for x
x = 2,936,992,590.96/73,893.20 - Step 6: Final answer
x = 39,746.45
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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.