Finding the Fourth Proportional to 75,012.98, 103,543.98 and 43,194.56
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Solution
The fourth proportional to 75,012.98, 103,543.98 and 43,194.56 is: 59,623.50
Step by Step Solution
- Step 1: Write the proportion equation
75,012.98 : 103,543.98 = 43,194.56 : x - Step 2: Convert to fraction form
75,012.98/103,543.98 = 43,194.56/x - Step 3: Cross multiply
75,012.98x = 103,543.98 × 43,194.56 - Step 4: Simplify right side
75,012.98x = 4,472,536,656.75 - Step 5: Solve for x
x = 4,472,536,656.75/75,012.98 - Step 6: Final answer
x = 59,623.50
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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.