Finding the Fourth Proportional to 127,117.13, 175,421.16 and 69,757.43
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Solution
The fourth proportional to 127,117.13, 175,421.16 and 69,757.43 is: 96,264.99
Step by Step Solution
- Step 1: Write the proportion equation
127,117.13 : 175,421.16 = 69,757.43 : x - Step 2: Convert to fraction form
127,117.13/175,421.16 = 69,757.43/x - Step 3: Cross multiply
127,117.13x = 175,421.16 × 69,757.43 - Step 4: Simplify right side
127,117.13x = 12,236,928,412.11 - Step 5: Solve for x
x = 12,236,928,412.11/127,117.13 - Step 6: Final answer
x = 96,264.99
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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.