Finding the Fourth Proportional to 101,463.97, 140,008.28 and 56,135.97
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Solution
The fourth proportional to 101,463.97, 140,008.28 and 56,135.97 is: 77,460.99
Step by Step Solution
- Step 1: Write the proportion equation
101,463.97 : 140,008.28 = 56,135.97 : x - Step 2: Convert to fraction form
101,463.97/140,008.28 = 56,135.97/x - Step 3: Cross multiply
101,463.97x = 140,008.28 × 56,135.97 - Step 4: Simplify right side
101,463.97x = 7,859,499,905.79 - Step 5: Solve for x
x = 7,859,499,905.79/101,463.97 - Step 6: Final answer
x = 77,460.99
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1.5x scale
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.