Finding the Fourth Proportional to 73,129.69, 109,671.84 and 26,376.49
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Solution
The fourth proportional to 73,129.69, 109,671.84 and 26,376.49 is: 39,556.55
Step by Step Solution
- Step 1: Write the proportion equation
73,129.69 : 109,671.84 = 26,376.49 : x - Step 2: Convert to fraction form
73,129.69/109,671.84 = 26,376.49/x - Step 3: Cross multiply
73,129.69x = 109,671.84 × 26,376.49 - Step 4: Simplify right side
73,129.69x = 2,892,758,191.04 - Step 5: Solve for x
x = 2,892,758,191.04/73,129.69 - Step 6: Final answer
x = 39,556.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.