Finding the Fourth Proportional to 101,590.68, 140,193.59 and 55,649.95
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Solution
The fourth proportional to 101,590.68, 140,193.59 and 55,649.95 is: 76,796.09
Step by Step Solution
- Step 1: Write the proportion equation
101,590.68 : 140,193.59 = 55,649.95 : x - Step 2: Convert to fraction form
101,590.68/140,193.59 = 55,649.95/x - Step 3: Cross multiply
101,590.68x = 140,193.59 × 55,649.95 - Step 4: Simplify right side
101,590.68x = 7,801,766,637.98 - Step 5: Solve for x
x = 7,801,766,637.98/101,590.68 - Step 6: Final answer
x = 76,796.09
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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.