Finding the Fourth Proportional to 79,605.99, 119,365.75 and 39,537.06
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Solution
The fourth proportional to 79,605.99, 119,365.75 and 39,537.06 is: 59,284.12
Step by Step Solution
- Step 1: Write the proportion equation
79,605.99 : 119,365.75 = 39,537.06 : x - Step 2: Convert to fraction form
79,605.99/119,365.75 = 39,537.06/x - Step 3: Cross multiply
79,605.99x = 119,365.75 × 39,537.06 - Step 4: Simplify right side
79,605.99x = 4,719,370,819.70 - Step 5: Solve for x
x = 4,719,370,819.70/79,605.99 - Step 6: Final answer
x = 59,284.12
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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.