Finding the Fourth Proportional to 77,709.24, 107,277.48 and 50,892.84
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Solution
The fourth proportional to 77,709.24, 107,277.48 and 50,892.84 is: 70,257.48
Step by Step Solution
- Step 1: Write the proportion equation
77,709.24 : 107,277.48 = 50,892.84 : x - Step 2: Convert to fraction form
77,709.24/107,277.48 = 50,892.84/x - Step 3: Cross multiply
77,709.24x = 107,277.48 × 50,892.84 - Step 4: Simplify right side
77,709.24x = 5,459,655,625.24 - Step 5: Solve for x
x = 5,459,655,625.24/77,709.24 - Step 6: Final answer
x = 70,257.48
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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.