Finding the Fourth Proportional to 86,006.44, 118,688.42 and 48,280.68
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Solution
The fourth proportional to 86,006.44, 118,688.42 and 48,280.68 is: 66,627.08
Step by Step Solution
- Step 1: Write the proportion equation
86,006.44 : 118,688.42 = 48,280.68 : x - Step 2: Convert to fraction form
86,006.44/118,688.42 = 48,280.68/x - Step 3: Cross multiply
86,006.44x = 118,688.42 × 48,280.68 - Step 4: Simplify right side
86,006.44x = 5,730,357,625.73 - Step 5: Solve for x
x = 5,730,357,625.73/86,006.44 - Step 6: Final answer
x = 66,627.08
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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.