Finding the Fourth Proportional to 73,565.68, 110,261.70 and 31,433.44
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Solution
The fourth proportional to 73,565.68, 110,261.70 and 31,433.44 is: 47,113.06
Step by Step Solution
- Step 1: Write the proportion equation
73,565.68 : 110,261.70 = 31,433.44 : x - Step 2: Convert to fraction form
73,565.68/110,261.70 = 31,433.44/x - Step 3: Cross multiply
73,565.68x = 110,261.70 × 31,433.44 - Step 4: Simplify right side
73,565.68x = 3,465,904,531.25 - Step 5: Solve for x
x = 3,465,904,531.25/73,565.68 - Step 6: Final answer
x = 47,113.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.