Finding the Fourth Proportional to 79,117.97, 118,686.24 and 27,810.95
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Solution
The fourth proportional to 79,117.97, 118,686.24 and 27,810.95 is: 41,719.68
Step by Step Solution
- Step 1: Write the proportion equation
79,117.97 : 118,686.24 = 27,810.95 : x - Step 2: Convert to fraction form
79,117.97/118,686.24 = 27,810.95/x - Step 3: Cross multiply
79,117.97x = 118,686.24 × 27,810.95 - Step 4: Simplify right side
79,117.97x = 3,300,776,492.90 - Step 5: Solve for x
x = 3,300,776,492.90/79,117.97 - Step 6: Final answer
x = 41,719.68
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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.