Finding the Fourth Proportional to 79,634.70, 119,368.74 and 29,693.07
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Solution
The fourth proportional to 79,634.70, 119,368.74 and 29,693.07 is: 44,508.54
Step by Step Solution
- Step 1: Write the proportion equation
79,634.70 : 119,368.74 = 29,693.07 : x - Step 2: Convert to fraction form
79,634.70/119,368.74 = 29,693.07/x - Step 3: Cross multiply
79,634.70x = 119,368.74 × 29,693.07 - Step 4: Simplify right side
79,634.70x = 3,544,424,352.63 - Step 5: Solve for x
x = 3,544,424,352.63/79,634.70 - Step 6: Final answer
x = 44,508.54
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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.