Finding the Fourth Proportional to 75,737.08, 104,449.26 and 47,445.88
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Solution
The fourth proportional to 75,737.08, 104,449.26 and 47,445.88 is: 65,432.77
Step by Step Solution
- Step 1: Write the proportion equation
75,737.08 : 104,449.26 = 47,445.88 : x - Step 2: Convert to fraction form
75,737.08/104,449.26 = 47,445.88/x - Step 3: Cross multiply
75,737.08x = 104,449.26 × 47,445.88 - Step 4: Simplify right side
75,737.08x = 4,955,687,056.05 - Step 5: Solve for x
x = 4,955,687,056.05/75,737.08 - Step 6: Final answer
x = 65,432.77
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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.