Finding the Fourth Proportional to 85,750.68, 118,335.96 and 48,025.20
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Solution
The fourth proportional to 85,750.68, 118,335.96 and 48,025.20 is: 66,274.79
Step by Step Solution
- Step 1: Write the proportion equation
85,750.68 : 118,335.96 = 48,025.20 : x - Step 2: Convert to fraction form
85,750.68/118,335.96 = 48,025.20/x - Step 3: Cross multiply
85,750.68x = 118,335.96 × 48,025.20 - Step 4: Simplify right side
85,750.68x = 5,683,108,146.19 - Step 5: Solve for x
x = 5,683,108,146.19/85,750.68 - Step 6: Final answer
x = 66,274.79
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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.