Finding the Fourth Proportional to 79,807.57, 110,135.15 and 43,998.84
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Solution
The fourth proportional to 79,807.57, 110,135.15 and 43,998.84 is: 60,718.79
Step by Step Solution
- Step 1: Write the proportion equation
79,807.57 : 110,135.15 = 43,998.84 : x - Step 2: Convert to fraction form
79,807.57/110,135.15 = 43,998.84/x - Step 3: Cross multiply
79,807.57x = 110,135.15 × 43,998.84 - Step 4: Simplify right side
79,807.57x = 4,845,818,843.23 - Step 5: Solve for x
x = 4,845,818,843.23/79,807.57 - Step 6: Final answer
x = 60,718.79
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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.