Finding the Fourth Proportional to 101,464.97, 140,009.66 and 56,136.97
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Solution
The fourth proportional to 101,464.97, 140,009.66 and 56,136.97 is: 77,462.38
Step by Step Solution
- Step 1: Write the proportion equation
101,464.97 : 140,009.66 = 56,136.97 : x - Step 2: Convert to fraction form
101,464.97/140,009.66 = 56,136.97/x - Step 3: Cross multiply
101,464.97x = 140,009.66 × 56,136.97 - Step 4: Simplify right side
101,464.97x = 7,859,718,083.13 - Step 5: Solve for x
x = 7,859,718,083.13/101,464.97 - Step 6: Final answer
x = 77,462.38
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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.