Finding the Fourth Proportional to 77,330.24, 106,723.24 and 43,344.48
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Solution
The fourth proportional to 77,330.24, 106,723.24 and 43,344.48 is: 59,819.59
Step by Step Solution
- Step 1: Write the proportion equation
77,330.24 : 106,723.24 = 43,344.48 : x - Step 2: Convert to fraction form
77,330.24/106,723.24 = 43,344.48/x - Step 3: Cross multiply
77,330.24x = 106,723.24 × 43,344.48 - Step 4: Simplify right side
77,330.24x = 4,625,863,341.72 - Step 5: Solve for x
x = 4,625,863,341.72/77,330.24 - Step 6: Final answer
x = 59,819.59
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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.