Finding the Fourth Proportional to 79,582.08, 109,823.33 and 43,774.82
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Solution
The fourth proportional to 79,582.08, 109,823.33 and 43,774.82 is: 60,409.28
Step by Step Solution
- Step 1: Write the proportion equation
79,582.08 : 109,823.33 = 43,774.82 : x - Step 2: Convert to fraction form
79,582.08/109,823.33 = 43,774.82/x - Step 3: Cross multiply
79,582.08x = 109,823.33 × 43,774.82 - Step 4: Simplify right side
79,582.08x = 4,807,496,227.99 - Step 5: Solve for x
x = 4,807,496,227.99/79,582.08 - Step 6: Final answer
x = 60,409.28
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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.