Finding the Fourth Proportional to 75,069.12, 103,592.34 and 44,871.12
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Solution
The fourth proportional to 75,069.12, 103,592.34 and 44,871.12 is: 61,920.33
Step by Step Solution
- Step 1: Write the proportion equation
75,069.12 : 103,592.34 = 44,871.12 : x - Step 2: Convert to fraction form
75,069.12/103,592.34 = 44,871.12/x - Step 3: Cross multiply
75,069.12x = 103,592.34 × 44,871.12 - Step 4: Simplify right side
75,069.12x = 4,648,304,319.22 - Step 5: Solve for x
x = 4,648,304,319.22/75,069.12 - Step 6: Final answer
x = 61,920.33
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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.