Finding the Fourth Proportional to 77,921.99, 107,532.37 and 44,387.99
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Solution
The fourth proportional to 77,921.99, 107,532.37 and 44,387.99 is: 61,255.44
Step by Step Solution
- Step 1: Write the proportion equation
77,921.99 : 107,532.37 = 44,387.99 : x - Step 2: Convert to fraction form
77,921.99/107,532.37 = 44,387.99/x - Step 3: Cross multiply
77,921.99x = 107,532.37 × 44,387.99 - Step 4: Simplify right side
77,921.99x = 4,773,145,226.57 - Step 5: Solve for x
x = 4,773,145,226.57/77,921.99 - Step 6: Final answer
x = 61,255.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.