Finding the Fourth Proportional to 86,352.06, 129,494.07 and 41,965.68
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Solution
The fourth proportional to 86,352.06, 129,494.07 and 41,965.68 is: 62,931.99
Step by Step Solution
- Step 1: Write the proportion equation
86,352.06 : 129,494.07 = 41,965.68 : x - Step 2: Convert to fraction form
86,352.06/129,494.07 = 41,965.68/x - Step 3: Cross multiply
86,352.06x = 129,494.07 × 41,965.68 - Step 4: Simplify right side
86,352.06x = 5,434,306,703.52 - Step 5: Solve for x
x = 5,434,306,703.52/86,352.06 - Step 6: Final answer
x = 62,931.99
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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.