Finding the Fourth Proportional to 81,110.92, 121,656.78 and 24,950.92
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Solution
The fourth proportional to 81,110.92, 121,656.78 and 24,950.92 is: 37,423.43
Step by Step Solution
- Step 1: Write the proportion equation
81,110.92 : 121,656.78 = 24,950.92 : x - Step 2: Convert to fraction form
81,110.92/121,656.78 = 24,950.92/x - Step 3: Cross multiply
81,110.92x = 121,656.78 × 24,950.92 - Step 4: Simplify right side
81,110.92x = 3,035,448,585.24 - Step 5: Solve for x
x = 3,035,448,585.24/81,110.92 - Step 6: Final answer
x = 37,423.43
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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.