Finding the Fourth Proportional to 79,340.13, 109,496.48 and 43,537.12
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Solution
The fourth proportional to 79,340.13, 109,496.48 and 43,537.12 is: 60,085.12
Step by Step Solution
- Step 1: Write the proportion equation
79,340.13 : 109,496.48 = 43,537.12 : x - Step 2: Convert to fraction form
79,340.13/109,496.48 = 43,537.12/x - Step 3: Cross multiply
79,340.13x = 109,496.48 × 43,537.12 - Step 4: Simplify right side
79,340.13x = 4,767,160,897.91 - Step 5: Solve for x
x = 4,767,160,897.91/79,340.13 - Step 6: Final answer
x = 60,085.12
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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.